Im not sure how to figure out the second part, i figured it would do 16.06 but not sure how to add in the rest.

Tom buys a new truck for $62500. He financed the truck for 60 months at an annual interest rate of 11.5% compounded monthly. Using this website ?, what is Tom's monthly payment? After paying 30 payments, Tom decided to repay the loan in full. Using the Actuarial Method and the table below, determine Tom's pay off amount with payment \#31