Which of the following statements is false regarding corporate capital losses?

a. Corporations are not allowed to deduct capital losses against ordinary income.
b. Corporations may carry capital losses back 3 years and forward 5 years to offset capital gains in those years.
c. Corporations may deduct $3,000 of net capital loss each year until the loss is used up.
d. A long-term capital loss carried to another year is treated as a short-term capital loss.