For 2021 ArtyV, Inc., a C corporation, has a net short-term capital gain of $20,000 and a net long-term capital loss of $45,000. ArtyVs operating taxable income is $500,000. Prior years transactions included the following:

2016 net short-term capital gains $20,000

2017 net long-term capital gains 15,000

2018 net long-term capital loss 35,000 (before carryback)

2019 net short-term capital gains 25,000

2020 net long-term capital gains 5,000

a. How are the capital gains and losses treated on ArtyVs 2021 tax return?

b. Determine the amount of the 2021 net capital loss that is carried back to each of the previous years. Identify the years and amount for each year.

c. Compute the amount of capital loss carryover, if any, and indicate the years to which the loss may be carried.

d. If ArtyV were a proprietorship, how would Tommie Leigh, the owner, report these transactions on her 2021 tax return?