Please solve all! I'd greatly appreciate it, thank you! (:

7. A team announced that they signed one of their players to a $30 million contract extension. The terms of the contract were: $3 million signing bonus paid immediately, $2.4 million per year for the first 5 years (first payment after 1 year) and $3 million per year for next 5 years (first payment at year 6). If the interest rate is 8% per year, a. Show the cash flow. b. Find the present value of the contract. 8. Maintenance costs for a small bridge with an expected 50-year life are estimated to be $1,000 each year for the first 5 years, followed by $10,000 expenditure in the year 15 and $10,000 expenditure in year 30. If i-10% per year, what is the present value? 9. A loan company lends money at 1.5% per month, compounded monthly. a. What is the nominal interest rate (annual)? b. What is the effective annual interest rate? c. How many years will it take an investment to triple itself if interest is compounded monthly