The quoted price of a January CBOT Treasury bond futures contract is 93-09. The par value is $1000 with 6% coupon rate( SEMI-ANNUAL payment), and the maturity is 20 years. Please calculate the implied annual interest rate inherent in this contract.

-6.229%

-6.330%

-6.497%

-6.550%

6.610%

The exchange rate of Chinese Yen is $0.138313/Yuan. If the Yuan appreciates against the $ by 25.0% tomorrow, how many Yuan can one U.S. dollar buy then?

-8.022 yuan

-7.551 yuan

-6.025 yuan

-5.784 yuan