During the current year, Ron and Anne sold the following assets:

Capital Asset	Market Value	Tax Basis	Holding Period
L stock	$50,000	$41,000	> 1 year
M stock	28,000	39,000	> 1 year
N stock	30,000	22,000	< 1 year
O stock	26,000	33,000	< 1 year
Antiques	7,000	4,000	> 1 year
Rental home	300,000*	90,000	> 1 year
*$30,000 of the gain is 25 percent gain (from accumulated depreciation on the property).

a. Given that Ron and Anne have taxable income of only $20,000 (all ordinary) before considering the tax effect of their asset sales, what is their gross tax liability for 2018 assuming they file a joint return?

b. Given that Ron and Anne have taxable income of $400,000 (all ordinary) before considering the tax effect of their asset sales, what is their gross tax liability for 2018 assuming they file a joint return?