2. Wes wants to retire as a millionaire. How much must Wes save per year for 40 years, if he can invest in a mutual fund which pays 4% compounded semi-annually?

3. You just purchased a new car for $45,000. Your down payment on the vehicle was $15,000 and the rest is financed over 5 years at a 6% annual interest rate. Calculate your monthly payment.

how would I solve these two? Please and thank you very much.