$765.13 is deposited at the end of each month for 2 years in an account paying 12% interest compounded monthly. find the amount of the account. round your answer to the nearest cent.

The amount of the account after two years can be calculated using the formula:
F=A((1+i)^n-1)/i
where 
F=future value to be calculated
A=amount added per period = 765.13
n=number of periods=2*12=24 months
i=interest per period (month) = 0.12/12=0.01

Therefore 
F=765.13(1.01^24-1)/0.01
=20638.21

C. i possibility the answer to this