Please use Excel to solve the problem

Problemle You are working for Humdrum Corp. You are so bored, you want to start your own business. A new business takes money, so you start a 5-year plan. At an interest rate of 9 percent per year, how much must you invest each year (equal amounts beginning next year) to have $75,000 in your new business fund in 5 years? Problem2 The Third National Bank of Haslett has agreed to give you a 4 year loan to buy a Dacia Sandero, priced at $11,000. The annual interest rate is 9%. If the bank requires you to make a 10% down payment on the car, how much will your monthly payments be if you make the purchase