A loss incurred by a corporation:

a. It has to be prorated in later periods, unless the company has had 2 years of consecutive losses

b.It can be used for five years ago and the value of the unused loss can be used for periods after the year in which the loss occurred

c. cannot be used to reduce taxes

d. it can be used for two years ago and the value of the unused loss can be used for periods after the year in which the loss occurred