Felipe, a single taxpayer, is a technology consultant who operates as a sole proprietorship. Felipes net business income is 600000$, he pays wages of 100000$ to his employees, and he has 200000$ of qualified property (unadjusted basis). Felipes taxable income before the deduction for qualified business income is 500000$. Assume he has no capital gains or qualified dividends.

a. Calculate Felipes deduction for qualified business income

b. How would your answer to (a) change if Felipe was an investment broker?