Find the savings plan balance after 12 12 months with an apr of 8 8% and monthly payments of $ 100 100.

Assume first payment is at the end of the first month.

APR=8% per annum = 0.08/12 per month
n=12 months
Monthly payment, A = $100

Future value 

When you are asking for the expression to be in the simplest form, that means there is no one term that is collected into a like term. meaning that a would be your answer to that as all of the terms have different variables that cannot be collected into like terms.