The following cash flow diagram indicates the monthly payments you will have in the future. Assume that the interest rate is 24% per year. $3.200 $2.00 $2,400 $2.000 16 17 I819 20 21 a) (15 points) What monthly amount should you save for the first 8 months to complete the following payments starting trom 18th month, if your patents will also deposit into your account $800 at the beginning of month 57 b) (15 points) Explain how your answers to (a) will change if the interest rate decreases Write your comments in your words