Accounting for long-term bonds. The notes to the financial statements of Wal-Mart Stores reveal the following information with respect to long-term debt. All interest rates in this problem assume semiannual compounding and the effective interest method of amortization.

January 31 Year 11 Year 12

$100,000,000-par value of 9-percent debenture bonds due January 31, Year 20, initially priced on the market to yield 12 percent $ 83,758,595 ?

? par value zero coupon bonds due July 31, Year 16, initially priced on the market to yield 8 percent $162,395,233 $175,646,684

$400,000,000 face value 9.25-percent notes due January 31, Year 20, initially priced on the market to yield ? percent $400,000,000 $400,000,000

a. Compute the amount ot" interest expense on the 9 percent coupon bonds for fiscal year Year 12. Do not overlook the italicized sentence above.

b. Compute the book value of the 9 percent bonds on January 31. Year 12.

c. Compute the par value of the zero coupon bonds.

d. Compute the initial market yield on the $400.00().()()0 notes.