You have just purchased a six-month, $550,000 negotiable CD, which will pay a 8.5 percent annual interest rate. a. If the market rate on the CD rises to 9 percent, what is its current market value? (Do not round intermediate calculations. Round your answer to 2 decimal places. (e.g., 32.16)) Current market value $ b. If the market rate on the CD falls to 8.25 percent, what is its current market value? (Do not round intermediate calculations. Round your answer to 2 decimal places. (e.g., 32.16)) Current market value $