Refer to Table 10-1, which is based on bonds paying 10 percent interest for 20 years. Assume interest rates in the market (yield to maturity) decrease from 6 to 4 percent. a. What is the bond price at 6 percent? Bond price b. What is the bond price at 4 percent? Bond price c. What would be your percentage return on the investment if you bought when rates were 6 percent and sold when rates were 4 percent? (Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal places.) Return on investment %