diff --git a/jsprit-instances/instances/.DS_Store b/jsprit-instances/instances/.DS_Store
deleted file mode 100644
index eb2fd83b..00000000
Binary files a/jsprit-instances/instances/.DS_Store and /dev/null differ
diff --git a/jsprit-instances/src/main/java/readers/SolomonReader.java b/jsprit-instances/src/main/java/readers/SolomonReader.java
index 936d4f62..c8ce1f4b 100644
--- a/jsprit-instances/src/main/java/readers/SolomonReader.java
+++ b/jsprit-instances/src/main/java/readers/SolomonReader.java
@@ -68,11 +68,19 @@ public class SolomonReader {
 	
 	private double variableCostProjectionFactor = 1;
 	
+	private double fixedCostPerVehicle = 0.0;
+	
 	public SolomonReader(VehicleRoutingProblem.Builder vrpBuilder) {
 		super();
 		this.vrpBuilder = vrpBuilder;
 	}
 	
+	public SolomonReader(VehicleRoutingProblem.Builder vrpBuilder, double fixedCostPerVehicle) {
+		super();
+		this.vrpBuilder = vrpBuilder;
+		this.fixedCostPerVehicle=fixedCostPerVehicle;
+	}
+	
 	public void read(String solomonFile){
 		vrpBuilder.setFleetSize(FleetSize.INFINITE);
 		BufferedReader reader = getReader(solomonFile);
@@ -98,7 +106,7 @@ public class SolomonReader {
 				double serviceTime = Double.parseDouble(tokens[6])*timeProjectionFactor;
 				if(counter == 10){
 					VehicleTypeImpl.Builder typeBuilder = VehicleTypeImpl.Builder.newInstance("solomonType", vehicleCapacity);
-					typeBuilder.setCostPerDistance(1.0*variableCostProjectionFactor).setFixedCost(100);
+					typeBuilder.setCostPerDistance(1.0*variableCostProjectionFactor).setFixedCost(fixedCostPerVehicle);
 					
 					VehicleTypeImpl vehicleType = typeBuilder.build();
 		
diff --git a/jsprit-instances/src/main/java/util/Instances.java b/jsprit-instances/src/main/java/util/Instances.java
index f9f57d60..57c91364 100644
--- a/jsprit-instances/src/main/java/util/Instances.java
+++ b/jsprit-instances/src/main/java/util/Instances.java
@@ -104,6 +104,7 @@ public class Instances {
 	/**
 	 * Returns a collection of {@link BenchmarkInstance} which are Solomon instances.
 	 * <p>Note that this assumes that within the folder 'inputFolder' 9 C1-instances are located with their original name, i.e. C101.txt,C102.txt,...,C109.txt.
+	 * <p>Note that unlike the original problems, a fixed-cost value of 1000 is set for each employed vehicle.
 	 * @param inputFolder where solomon C1 instances are located. It must end without '/' such as instances/solomon.
 	 * 
 	 * @return a collection of {@link BenchmarkInstance}
@@ -115,7 +116,7 @@ public class Instances {
 		for(int i=0;i<9;i++){
 			VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
 			String file = inputFolder + "/C1"+ getInstanceNu(i+1) + ".txt";
-			new SolomonReader(builder).read(file);
+			new SolomonReader(builder,1000).read(file);
 			VehicleRoutingProblem p = builder.build();
 			instances.add(new BenchmarkInstance("C1" + getInstanceNu(i+1), p, bestKnown.get(i).doubleValue(), bestKnowVehicles.get(i).doubleValue()));
 		}
@@ -125,6 +126,7 @@ public class Instances {
 	/**
 	 * Returns a collection of {@link BenchmarkInstance} which are Solomon instances.
 	 * <p>Note that this assumes that within the folder 'inputFolder' 8 C2-instances are located with their original name, i.e. C201.txt,C202.txt,...,C208.txt.
+	 * <p>Note that unlike the original problems, a fixed-cost value of 1000 is set for each employed vehicle.
 	 * @param inputFolder where solomon C2 instances are located. It must end without '/' such as instances/solomon.
 	 * @return a collection of {@link BenchmarkInstance}
 	 */
@@ -135,7 +137,7 @@ public class Instances {
 		for(int i=0;i<8;i++){
 			VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
 			String file = inputFolder + "/C2"+ getInstanceNu(i+1) + ".txt";
-			new SolomonReader(builder).read(file);
+			new SolomonReader(builder,1000).read(file);
 			VehicleRoutingProblem p = builder.build();
 			instances.add(new BenchmarkInstance("C2" + getInstanceNu(i+1), p, bestKnown.get(i).doubleValue(), bestKnowVehicles.get(i).doubleValue()));
 		}
@@ -145,6 +147,7 @@ public class Instances {
 	/**
 	 * Returns a collection of {@link BenchmarkInstance} which are Solomon instances.
 	 * <p>Note that this assumes that within the folder 'inputFolder' 12 R1-instances are located with their original name, i.e. R101.txt,R102.txt,...,R112.txt.
+	 * <p>Note that unlike the original problems, a fixed-cost value of 1000 is set for each employed vehicle.
 	 * @param inputFolder where solomon R1 instances are located. It must end without '/' such as instances/solomon.
 	 * @return a collection of {@link BenchmarkInstance}
 	 */
@@ -155,7 +158,7 @@ public class Instances {
 		for(int i=0;i<12;i++){
 			VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
 			String file = inputFolder + "/R1"+ getInstanceNu(i+1) + ".txt";
-			new SolomonReader(builder).read(file);
+			new SolomonReader(builder,1000).read(file);
 			VehicleRoutingProblem p = builder.build();
 			instances.add(new BenchmarkInstance("R1" + getInstanceNu(i+1), p, bestKnown.get(i).doubleValue(), bestKnowVehicles.get(i).doubleValue()));
 		}
@@ -165,6 +168,7 @@ public class Instances {
 	/**
 	 * Returns a collection of {@link BenchmarkInstance} which are Solomon instances.
 	 * <p>Note that this assumes that within the folder 'inputFolder' 11 R1-instances are located with their original name, i.e. R201.txt,R202.txt,...,R111.txt.
+	 * <p>Note that unlike the original problems, a fixed-cost value of 1000 is set for each employed vehicle.
 	 * @param inputFolder TODO
 	 * @param inputFolder where solomon R2 instances are located. It must end without '/' such as instances/solomon.
 	 * @return a collection of {@link BenchmarkInstance}
@@ -176,7 +180,7 @@ public class Instances {
 		for(int i=0;i<11;i++){
 			VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
 			String file = inputFolder + "/R2"+ getInstanceNu(i+1) + ".txt";
-			new SolomonReader(builder).read(file);
+			new SolomonReader(builder,1000).read(file);
 			VehicleRoutingProblem p = builder.build();
 			instances.add(new BenchmarkInstance("R2" + getInstanceNu(i+1), p, bestKnown.get(i).doubleValue(), bestKnowVehicles.get(i).doubleValue()));
 		}
@@ -186,6 +190,7 @@ public class Instances {
 	/**
 	 * Returns a collection of {@link BenchmarkInstance} which are Solomon instances.
 	 * <p>Note that this assumes that within the folder 'inputFolder' 8 RC1-instances are located with their original name, i.e. RC101.txt,RC102.txt,...,RC108.txt.
+	 * <p>Note that unlike the original problems, a fixed-cost value of 1000 is set for each employed vehicle.
 	 * @param inputFolder where solomon RC1 instances are located. It must end without '/' such as instances/solomon.
 	 * @return a collection of {@link BenchmarkInstance}
 	 */
@@ -196,7 +201,7 @@ public class Instances {
 		for(int i=0;i<8;i++){
 			VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
 			String file = inputFolder + "/RC1"+ getInstanceNu(i+1) + ".txt";
-			new SolomonReader(builder).read(file);
+			new SolomonReader(builder,1000).read(file);
 			VehicleRoutingProblem p = builder.build();
 			instances.add(new BenchmarkInstance("RC1" + getInstanceNu(i+1), p, bestKnown.get(i).doubleValue(), bestKnowVehicles.get(i).doubleValue()));
 		}
@@ -206,6 +211,7 @@ public class Instances {
 	/**
 	 * Returns a collection of {@link BenchmarkInstance} which are Solomon instances.
 	 * <p>Note that this assumes that within the folder 'inputFolder' 8 RC2-instances are located with their original name, i.e. RC201.txt,RC202.txt,...,RC208.txt.
+	 * <p>Note that unlike the original problems, a fixed-cost value of 1000 is set for each employed vehicle.
 	 * @param inputFolder TODO
 	 * @param inputFolder where solomon RC2 instances are located. It must end without '/' such as instances/solomon.
 	 * @return a collection of {@link BenchmarkInstance}
@@ -217,7 +223,7 @@ public class Instances {
 		for(int i=0;i<8;i++){
 			VehicleRoutingProblem.Builder builder = VehicleRoutingProblem.Builder.newInstance();
 			String file = inputFolder + "/RC2"+ getInstanceNu(i+1) + ".txt";
-			new SolomonReader(builder).read(file);
+			new SolomonReader(builder,1000).read(file);
 			VehicleRoutingProblem p = builder.build();
 			instances.add(new BenchmarkInstance("RC2" + getInstanceNu(i+1), p, bestKnown.get(i).doubleValue(), bestKnowVehicles.get(i).doubleValue()));
 		}