You want to have $20,500 saved 4 years from today in order to make a down payment on a house. To fund this, you will make deposits each week from your paycheck into an account that will earn 4.43 percent compounded weekly. How much must you deposit each week? A friend wants to borrow money from you. He states that he will pay you $4,300 every 6 months for 11 years with the first payment exactly 6 years and six months from today. The interest rate is an APR of 6.6 percent with semiannual compounding. What is the value of the payments today