Suppose on January 15,2018 , the U.S. Treasury issued a five-year inflation-indexed note with a coupon of 5%. On the date of issue, the consumer price index (CPI) was 238 . By January 15,2023 , the CPI had increased to 298 . What principal and coupon payment was made on January 15, 2023? (Note: U.S. Treasury pays semi-annual coupons) The CPI index appreciated by . (Round to five decimal places.) The principal amount of the bond increased to $. (Round to the nearest cent.) The semi-annual coupon payment is $ (Round to the nearest cent.)