3. An investor is considering purchasing a bond with a 6.88 percent coupon interest rate, a par value of $1,000, and a market price of $789.82. The bond will mature in nine years. Based on this information, answer the following questions: a. What is the bond's current yield? b. What is the bond's approximate yield to maturity? c. What is the bond's yield to maturity using a financial calculator? a. The bond's current yield is %. (Round to two decimal places.) b. The bond's approximate yield to maturity is %. (Round to two decimal places.) c. Using a financial calculator, the bond's yield to maturity is %. (Round to two decimal places.)