I need help since my calculations are not coming out right. Please show ALL calculations.

Moana is a single taxpayer who operates a sole proprietorship. She expects her taxable income next year to be $250,000, of which $200,000 is attributed to her sole proprietorship. Moana is contemplating incorporating her sole proprietorship. (Use the tax rate schedule). a. Using the single individual tax brackets and the corporate tax rate of 21 percent, find out how much current tax this strategy could save Moana (ignore any Social Security, Medicare, or self-employment tax issues). (Round your intermediate calculations and final answer to nearest whole dollar amount.) Current tax saved b. How much income should be left in the corporation? Income left 2018 Tax Rate Schedules Individuals Schedule X-Single If taxable income is over: But not over: The tax is: $ 0 $ 9,525 10% of taxable income $ 9,525 $ 38,700 $952.50 plus 12% of the excess over $9,525 $ 38,700 $ 82,500 $4,453.50 plus 22% of the excess over $38,700 $ 82,500 $157,500 $14,089.50 plus 24% of the excess over $82,500 $157,500 $200,000 $32,089.50 plus 32% of the excess over $157,500 $200,000 $500,000 $45,689.50 plus 35% of the excess over $200,000 $500,000 $150,689.50 plus 37% of the excess over $500,000