diff --git a/build/test/cache/test_Stueckzeitakkort.c b/build/test/cache/test_Stueckzeitakkort.c
new file mode 100644
index 0000000..63d647b
--- /dev/null
+++ b/build/test/cache/test_Stueckzeitakkort.c
@@ -0,0 +1,45 @@
+#include "src/funktion.h"
+#include "C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_Stueckzeitakkort_NeedToImplement(void)
+
+{
+
+    double a =2;
+
+    double b = 0.5;
+
+    double c = 230;
+
+    double d = 140;
+
+    double result = Stueckzeitakkort(a,b,c,d);
+
+    double ergebnis = 96600;
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((ergebnis)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((ergebnis))), (UNITY_FLOAT)((UNITY_FLOAT)((result))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(21)));
+
+}
diff --git a/build/test/dependencies/test_Stueckzeitakkort.d b/build/test/dependencies/test_Stueckzeitakkort.d
new file mode 100644
index 0000000..4d4fc78
--- /dev/null
+++ b/build/test/dependencies/test_Stueckzeitakkort.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_Stueckzeitakkort.o: test/test_Stueckzeitakkort.c \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h \
+ src/funktion.h
diff --git a/build/test/dependencies/test_Stueckzeitakkort_runner.d b/build/test/dependencies/test_Stueckzeitakkort_runner.d
new file mode 100644
index 0000000..68e80f6
--- /dev/null
+++ b/build/test/dependencies/test_Stueckzeitakkort_runner.d
@@ -0,0 +1,4 @@
+build/test/out/c/test_Stueckzeitakkort_runner.o: \
+ build/test/runners/test_Stueckzeitakkort_runner.c \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h \
+ C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity_internals.h
diff --git a/build/test/out/c/funktion.o b/build/test/out/c/funktion.o
index b4f6fc6..24143d2 100644
Binary files a/build/test/out/c/funktion.o and b/build/test/out/c/funktion.o differ
diff --git a/build/test/out/c/test_Stueckzeitakkort.o b/build/test/out/c/test_Stueckzeitakkort.o
new file mode 100644
index 0000000..60cf392
Binary files /dev/null and b/build/test/out/c/test_Stueckzeitakkort.o differ
diff --git a/build/test/out/c/test_Stueckzeitakkort_runner.o b/build/test/out/c/test_Stueckzeitakkort_runner.o
new file mode 100644
index 0000000..7ca815f
Binary files /dev/null and b/build/test/out/c/test_Stueckzeitakkort_runner.o differ
diff --git a/build/test/out/test_Stueckzeitakkort.out b/build/test/out/test_Stueckzeitakkort.out
new file mode 100644
index 0000000..8053232
Binary files /dev/null and b/build/test/out/test_Stueckzeitakkort.out differ
diff --git a/build/test/preprocess/files/test_Stueckzeitakkort.c b/build/test/preprocess/files/test_Stueckzeitakkort.c
new file mode 100644
index 0000000..63d647b
--- /dev/null
+++ b/build/test/preprocess/files/test_Stueckzeitakkort.c
@@ -0,0 +1,45 @@
+#include "src/funktion.h"
+#include "C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h"
+
+
+
+
+void setUp(void)
+
+{
+
+}
+
+
+
+void tearDown(void)
+
+{
+
+}
+
+
+
+void test_Stueckzeitakkort_NeedToImplement(void)
+
+{
+
+    double a =2;
+
+    double b = 0.5;
+
+    double c = 230;
+
+    double d = 140;
+
+    double result = Stueckzeitakkort(a,b,c,d);
+
+    double ergebnis = 96600;
+
+    UnityAssertFloatsWithin((UNITY_FLOAT)((UNITY_FLOAT)((ergebnis)) * (UNITY_FLOAT)(0.00001f)), (UNITY_FLOAT)((UNITY_FLOAT)((ergebnis))), (UNITY_FLOAT)((UNITY_FLOAT)((result))), ((
+
+   ((void *)0)
+
+   )), (UNITY_UINT)((UNITY_UINT)(21)));
+
+}
diff --git a/build/test/preprocess/includes/test_Stueckzeitakkort.c b/build/test/preprocess/includes/test_Stueckzeitakkort.c
new file mode 100644
index 0000000..376e2c1
--- /dev/null
+++ b/build/test/preprocess/includes/test_Stueckzeitakkort.c
@@ -0,0 +1,3 @@
+---
+- C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/ceedling-0.31.1/vendor/unity/src/unity.h
+- src/funktion.h
diff --git a/build/test/results/test_Stueckzeitakkort.pass b/build/test/results/test_Stueckzeitakkort.pass
new file mode 100644
index 0000000..c6c1c42
--- /dev/null
+++ b/build/test/results/test_Stueckzeitakkort.pass
@@ -0,0 +1,19 @@
+---
+:source:
+  :path: test
+  :file: test_Stueckzeitakkort.c
+:successes:
+- :test: test_Stueckzeitakkort_NeedToImplement
+  :line: 13
+  :message: ''
+  :unity_test_time: 0
+:failures: []
+:ignores: []
+:counts:
+  :total: 1
+  :passed: 1
+  :failed: 0
+  :ignored: 0
+:stdout:
+- '96600.000000'
+:time: 0.026201200002105907
diff --git a/build/test/runners/test_Stueckzeitakkort_runner.c b/build/test/runners/test_Stueckzeitakkort_runner.c
new file mode 100644
index 0000000..83b11c6
--- /dev/null
+++ b/build/test/runners/test_Stueckzeitakkort_runner.c
@@ -0,0 +1,81 @@
+/* AUTOGENERATED FILE. DO NOT EDIT. */
+
+/*=======Automagically Detected Files To Include=====*/
+#include "unity.h"
+
+int GlobalExpectCount;
+int GlobalVerifyOrder;
+char* GlobalOrderError;
+
+/*=======External Functions This Runner Calls=====*/
+extern void setUp(void);
+extern void tearDown(void);
+extern void test_Stueckzeitakkort_NeedToImplement(void);
+
+
+/*=======Mock Management=====*/
+static void CMock_Init(void)
+{
+  GlobalExpectCount = 0;
+  GlobalVerifyOrder = 0;
+  GlobalOrderError = NULL;
+}
+static void CMock_Verify(void)
+{
+}
+static void CMock_Destroy(void)
+{
+}
+
+/*=======Test Reset Options=====*/
+void resetTest(void);
+void resetTest(void)
+{
+  tearDown();
+  CMock_Verify();
+  CMock_Destroy();
+  CMock_Init();
+  setUp();
+}
+void verifyTest(void);
+void verifyTest(void)
+{
+  CMock_Verify();
+}
+
+/*=======Test Runner Used To Run Each Test=====*/
+static void run_test(UnityTestFunction func, const char* name, UNITY_LINE_TYPE line_num)
+{
+    Unity.CurrentTestName = name;
+    Unity.CurrentTestLineNumber = line_num;
+#ifdef UNITY_USE_COMMAND_LINE_ARGS
+    if (!UnityTestMatches())
+        return;
+#endif
+    Unity.NumberOfTests++;
+    UNITY_CLR_DETAILS();
+    UNITY_EXEC_TIME_START();
+    CMock_Init();
+    if (TEST_PROTECT())
+    {
+        setUp();
+        func();
+    }
+    if (TEST_PROTECT())
+    {
+        tearDown();
+        CMock_Verify();
+    }
+    CMock_Destroy();
+    UNITY_EXEC_TIME_STOP();
+    UnityConcludeTest();
+}
+
+/*=======MAIN=====*/
+int main(void)
+{
+  UnityBegin("test_Stueckzeitakkort.c");
+  run_test(test_Stueckzeitakkort_NeedToImplement, "test_Stueckzeitakkort_NeedToImplement", 13);
+
+  return UnityEnd();
+}
diff --git a/src/funktion.c b/src/funktion.c
index 250b341..e8bbc15 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -93,6 +93,7 @@ double Akkortrichtsatz(double stueckkosten,double akkordzuschlag) {
 
 double Stueckzeitakkort(double stueckkosten,double akkordzuschlag,double arbeitszeit,double menge) {
     double stueckzeitakkord = stueckkosten * (1 + akkordzuschlag) * arbeitszeit * menge;
+    printf("%f",stueckzeitakkord);
     return stueckzeitakkord;
 }
 
diff --git a/test/test_Stueckzeitakkort.c b/test/test_Stueckzeitakkort.c
new file mode 100644
index 0000000..297742d
--- /dev/null
+++ b/test/test_Stueckzeitakkort.c
@@ -0,0 +1,23 @@
+#include "unity.h"
+#include "funktion.h"
+
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_Stueckzeitakkort_NeedToImplement(void)
+{
+    double a =2;
+    double b = 0.5;
+    double c = 230;
+    double d = 140;
+    double result = Stueckzeitakkort(a,b,c,d);
+    double ergebnis =  96600;
+    TEST_ASSERT_EQUAL_FLOAT(ergebnis, result);
+}
+