Taxpayer recognized the following net section 1231 gains and losses during the lifetime of her business. Determine how much of the gain recognized in 2020 must be recharacterized as ordinary income under the 1231 look-back rule. If none, enter 0.

Year	Net Section 1231 Gain (Loss)
2013	0
2014	(5,000)
2015	(11,000)
2016	0
2017	0
2018	0
2019	3,000
2020	30,000