Ostrich, a C Corporation, Has a Net Short-Term Capital Gain

Essay

Ostrich, a C corporation, has a net short-term capital gain of $20,000 and a net long-term capital loss of $90,000 during 2018. Ostrich also has taxable income from other sources of $1 million. Prior years' transactions included the following:
a. How are the capital gains and losses treated on Ostrich's 2018 tax return?
b. Determine the amount of the 2018 net capital loss that is carried back to each of the previous years.
c. Compute the amount of capital loss carryover, if any, and indicate the years to which the loss may be carried.
d. If Ostrich were a proprietorship, how would Ellen, the owner, report these transactions on her 2018 tax return?