Which of the following is a misappropriation of assets?

a. Classifying inventory held for resale as supplies.

b. Investing cash and earning a 3 percent rate of return as opposed to paying off a loan with an interest rate of 7 percent.

c. An employee of a consumer electronic store steals 12 CD players.

d. Management estimates bad debt expense as 2 percent of sales when it expects bad debts equal to 10 percent of sales.