As an investment manager, you want to buy IDR 20 billion of bonds A, B, or C with a settlement date of July 9, 2023. Calculate the dirty and clean prices of these three bonds. a. Bond A, tenor seven years (April 15, 2030), coupon 8% SA Act/Act (April 15 October 15), yield to maturity (YTM) 7% b. Bond B, tenor five years (April 15, 2028), coupon 7% SA Act/Act (April 15 October 15), YTM 6.5% c. Bond C, tenor three years (April 15, 2026), coupon 6.5% SA Act/Act (April 15 October 15), YTM 6%