How do I calculate this by hand using a summation equation?

6. Right after graduating from Drake, Gracie Vasquez bought a Chevrolet Camaro Coupe 1SS, V8 6.2L, with 426 horsepower, at $31,000 with 10% down and financed the rest with a five-year loan at 6% APR, compounded monthly. What is her monthly payment if she starts the payment one month after the purchase? Also, construct a monthly amortization schedule for your loan for first three months