solve separately please thanks

1. Present Value and Interest Rates What is the relationship between the value of an annuity and the level of interest rates? Suppose you just bought an annuity with 13 annual payments of $10,000 per year at a discount rate of 10 percent per year. What happens to the value of your investment if interest rates suddenly drop to 5 percent? What if interest rates suddenly rise to 15 percent?

2. Calculating Annuity Present Values You want to borrow $95,000 from your local bank to buy a new sailboat. You can afford to make monthly payments of $1,850, but no more. Assuming monthly compounding. what is the highest rate you can afford on a 60-month APR loan?

3. Calculating Present Values The contract signed in December 2020 by James McCann that we discussed at the beginning of the chapter called for a $600,000 signing bonus to be paid immediately, an $8 million salary per year for 2021 and 2022, and a $12 million salary per year for 2023 and 2024. If the appropriate