Independent solution
How to solve this Loan Balances and Amortization question
Setup
Setup
Use the first payment and resulting balance to infer the monthly interest rate.
Model
Model
Solve the level-payment annuity term at the recovered monthly rate.
Compute
Compute
The exact term is 116.216299. Because it is not an integer, the final drop payment occurs at the next payment number, 117.
Answer
Answer
The loan is retired with payment 117, selecting choice B.
Calculator reproduction
BA II Plus keystrokes
Check END/BGN, period, sign, TVM, and cash-flow setup
- 2ND · CLR TVM · 1.2 · I/Y · 50000 · +/- · PV · 800 · PMT · 0 · FV · CPT · NN = 116.22Round up to include the final drop payment.