Please show all work.. Thank you!

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 2017. Ostrich also has taxable income from other sources of $1 million. Prior years transactions included the following:

2013 net short-term capital gains	$20,000
2014 net long-term capital gains	15,000
2015 net short-term capital gains	25,000
2016 net long-term capital gains	5,000

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a.	How are the capital gains and losses treated on Ostrichs 2017 tax return?
b. ?	Determine the amount of the 2017 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 2017 tax return?