Sender
Recipient
Currency
Log
Date
+
350 
+
100
+
50
-
400 Activity Cost (Cost to Bob for Apples)
-
400 Activity Cost (Cost to Bob for Apples)
+
600
+
50
+
100
-
400 Activity Cost (Cost to Bob for Apples)
-
400 Activity Cost (Cost to Bob for Apples)
+
300
-
400 Activity Cost (Cost to Bob for Apples)
-
400 Activity Cost (Cost to Bob for Apples)
+
50
+
50
+
300
-
400 Activity Cost (Cost to Bob for Apples)
-
400 Activity Cost (Cost to Bob for Apples)
-
400 Activity Cost (Cost to Bob for Apples)
+
550
+
600
+
100
-
400 Activity Cost (Cost to Bob for Apples)
-
400 Activity Cost (Cost to Bob for Apples)
-
400 Activity Cost (Cost to Bob for Apples)
+
100
-
400 Activity Cost (Cost to Bob for Apples)
+
800
+
1100
+
550