Under full cost accounting, how are sales of individual properties accounted for?

a. They are accounted for by adjustments to the cost pool. Gains and losses are not to be recognized.

b. Losses are to be recognized but gains should only be recognized after fully adjusting the full cost pool.

c. They are accounted for by adjustments to the cost pool unless such adjustments would materially distort the amortization rate.

d. Gains are to be recognized but losses should only be recognized if adjustments to the full cost pool would materially distort the amortization rate.

e. None of these applies.