New Lots Corporation began business operations as an S corporation in 2017. New Lots files its 1120S returns on a calendar-year basis. The current year is 2020. The corporations taxable income and capital gains and losses for the years of operation are as follows:

	2017	2018	2019	2020
Capital gains	$2,000	$ 6,000	$7,000	$ 4,000
Capital losses	0	0	0	(21,000)
Taxable income (loss)	3,000	(12,000)	4,000	4,000

What is the amount of capital loss that is available to New Lots Corporation for carryback from 2020?

A) $7,000

B) $13,000

C) $17,000

D) None of the answers are correct