1. consider a student loan of $17,500 at a fixed apr of 12% for 20 years. what is the monthly payment?

2. consider a student loan of $25,000 at a fixed apr of 6% for 15 years. what is the monthly payment?

3. consider a home mortgage of $225,000 at a fixed apr of 4.5% for 20 years. what is the monthly payment?

4. consider a home mortgage of $225,000 at a fixed apr of 6% for 30 years. what is the monthly payment?

5. suppose that on january 1 you have a balance of $3000 on a credit card whose apr is 21%, which you want to pay off in 1 year. assume that you make no additional charges to the card after january 1. calculate monthly payment

6. suppose that on january 1 you have a balance of $4500 on a credit card whose apr is 17%, which you want to pay off in 3 years. assume that you make no additional charges to the card after january 1. calculate monthly payment