3. I want to save money for retirement. I plan on saving $10k an year with an average return of 10%. How much would I have saved for retirement if I save and work for: a. 20 years b. 30 years c. 40 years 4. I want to buy a house. a. I am saving a down payment $1,000 a month for 3 years at 6% rate of return. How much will I have for a down payment. b. Armed with a down payment, I want to take a loan 30 year fixed at 8% with a monthly payment of $2,500 a month. How much will I receive in a loan under these relationships c. Amortize the first three payments on the loan. 5. I want to buy a car: a. I can afford a monthly loan payment of $350. How I can much can I borrow given a loan 3-year loan at 6%. What can I buy? b. Refer to 5a Take out a 5 year loan at 8%. c. Amortize the first three payments on the loan