a. What is the price per 5100 tace value of a 3-year, zero-ecupen, risk-tree bond? b. What is the price per 5100 face value of a 4 year, zero-coupon, risk.free bond? c. What is the riskefree interest rate for a 4 yoat maturity? Note: Assume annaal compouting. a. What is the price per $100 face value of a 3year, zero-coupon, risk-tree bond? The price is 1 (Round to the nolest cent.) b. What is the price por $100 face value of a 4year, zero-ooupon, risk-tree bond? The price is 5 (Round to the nesrest cent.) c. What is the risk.free interest rale sor a 4-year maturity? The nisk-free rate is (Riound to two decimal places.)