Transaction 3 - $143
transaction 4 - $-86
transaction 5 - $86
Take a common point ( C in this case)
1. Take the difference of the y coordinates from the point vertical to C.
C from D in this case.
2.Take the diff of the x coordinates from the points horizontal to the first.
C from B in this case.
3. Now add the diff to the common point. X to x Y to y.
Answer:
10
Step-by-step explanation: