On January? 15, 2020, the U.S. Treasury issued a? ten-year inflation indexed note with a coupon of 6%. On the date of? issue, the CPI? (consumer price? index) was 381. By January? 15, 2030, the CPI index had decreased to 279. What principal and coupon payment was made on January? 15, 2030?
A. The CPI index deppreciated by _____ (Round to 5 decimals)
B. The principal payment is $_______ (Round to the nearest cent)
C. The coupon payment is $________ (Round to the nearest cent)