Which of the following statements is correct?

a. Realized gains on the sale of personal use assets are taxable.

b. Realized losses on the sale of personal use assets are disallowed.

c. If a personal use asset is sold at a realized gain and another personal use asset is sold at a realized loss, the gain is taxable, and the loss is disallowed.

d. All of the above.

e. None of the above.