Answer:
A. 19,800
B. Check answer
Explanation:
In this question, we are asked to calculate or find out two things
Tax payable on $450,000 if they does not incorporate the sole proprietorship and file joint is 108,879.
If they incorporate sole proprietorship and shift $250,000 to it, on balance $200,000 taxable income they pay $36,579 on their individual return and on $250,000 business income at 21% tax payable is $52,500. Thus, total tax payable is $89,079.
By shifting $250,000 income to corporate, they are saving $19,800 in taxes.
b
Their marginal tax rate is 22% once their income crosses $77,400. It is beneficial if they keep $77,400 taxable in their hands and the balance $372,600 in the hands of the corporate at 21%.