Answer:
(c)12th Month
(d)$76.86
Step-by-step explanation:
Part A
Prize A: $5,000 for the first month with a $100 increase every month thereafter.

Prize B: $2,000 for the first month with a 10% increase every month thereafter.

Part B
The table is completed and attached below:
Part C
As seen from the table, Prize B will earn more than prize A in the 12th Month.
Part D

Prize B will earn $76.86 more than prize A in the 12th month.