Suppose on January 15, , the U.S. Treasury issued a five-year inflation-indexed note with a coupon of . On the date of issue, the consumer price index (CPI) was . By January 15, , the CPI had increased to . What principal and coupon payment was made on January 15, ? (Note: U.S. Treasury pays semi-annual coupons)
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Part 1
The CPI index appreciated by
enter your response here. (Round to five decimal places.)