You have decided that you want to purchase a house 10 years from now. You expect that you will need $65,000 for a down payment in 10 years. Luckily, you have recently received $85,000 in cash from relatives. If the current annual rates on 10-year, zero-coupon bonds are 2.13%, (a) how much money do you need to invest in zero coupon bonds today in order to have your $55,000 down payment when you want to purchase the house? (b) how much money can you spend today?