a) Ok, so Alan's dad didn't give him $10,000 but he still wants a cool mid-life crisis car in 35 years. How much will he have to save each year at 7% annual effective interest to have $100,000 35 year from now?

b) Suppose Alan invested the annuity determined in part a in an IRA that paid an interest of 7% compounded weekly. A) What would the effective interest rate be? B) How much would he save in 35 years?

c) Using excel (or a similar & equivalent program) plot the yearly accumulation of money in Part a and b on the same graph.