In November 2019, Ben and Betty (married, filing jointly) have a long-term capital gain of $54,000 on the sale of stock. They have no other capital gains and losses for the year. Their ordinary income for the year after the standard deduction is $72,500, making their total taxable income for the year $126,500 ($72,500 1 $54,000). In 2019, married taxpayers pay 0 percent on long-term gains up to $78,750. What will be their 2019 total tax liability assuming a tax of $8,315 on the $72,500 of ordinary income?

a. $8,322

b. $15,717

c. $15,478

d. $19,712