1) If $20,000is invested at 7% compunded a) annually b)Weekly C) what is the amount after 6 years? 2) How much should you invest now at 10% compounded quarterly to have $19,000 toward the purchase of a car in 4 years? 3) If you earn an annual rate of 10% on your investments, how much (to the nearest cent) should you pay for a note that will be worth $5,000 in 9 months?