Assume monthly car payments of $500 per month for 4 years and an interest rate of 0.75% per month. 1. What initial principal will this repay? (b) Assume annual car payments of $6000 for 4 years and an interest rate of 9% per year. 1. What initial principal will this repay? (c) Assume monthly car payments of $500 per month for 4 years and an interest rate of 7% per year. 1. What initial principal will this repay? 2. Prepare a loan payment schedule showing the payments and interest for the life of the loan.

please provide formula using excel. thanks