Charlotte's Clothing issued a 4 percent bond with a maturity date of 12 years. Four years have passed and the bond is selling for $820. Assume that the bond pays interest annually. a. What is the current yield? Round your answer to two decimal places. % b. What is the yield to maturity? Use Appendix B and Appendix D to answer the question. Round your answer to the nearest whole number. % c. If three years later the yield to maturity is 7 percent, what will be the price of the bond? Use Appendix B and Appendix D to answer the question. Round your answer to the nearest dollar