Platter Inc.'s balance sheet shows its long-term debt to be $20 million. The debt was issued with a 10% interest rate, and the current interest rate is 8.5%. Based on this information alone, the market value of this debt is most likely:

a. less than $20 million.

b. more than $20 million.

c. equal to $20 million.

d. unknown without knowing the maturity of the debt.