you are taking out a $100,000 mortgage loan to be repaid over 25 years in 300 monthly payments.

a. if the interest rate is 16% per year, what is the amount of the monthly payment?

b. if you can only afford to pay $1000 per month, how large a loan can you take?

c. if you can afford to pay $1500 per month and need to borrow $100,000, how many months would it take to pay the mortgage?

d. if you can pay $1,500 per month, need to borrow $100,000, and want a 25-year mortgage, what is the highest interest rate you can pay?

Please let me know the formulas you use tx!