Operating income and tax rates for C.J. Company’s first three years of operations were as follows:

Income _ Enacted tax rate
2020 $400,000 25%
2021 ($1,000,000) 20%
2022 $1,680,000 30%

Assuming that C.J. Company opts to carryback its 2021 NOL, what is the amount of income taxes payable at December 31, 2022?

a. $204,000
b. $504,000
c. $384,000
d. $324,000