Question #5. Income Tax Calculation. Let $X denote your total annual income in a given year, and that you face the following progressive tax rate schedule. TI greater than $0 $30,000 $60,000 $90,000 TI less than $30,000 $60,000 $90,000 Infinity Tax Rate 0% 20% 40% 60% You are entitled to tax deductions of $20,000 and non-refundable tax credits of $30,000. This is dollar-for-dollar credit. Finally, you paid a total tax of $X/2, where $X is noted above. Problem: Please compute your total income $X based on this information. What is your marginal tax rate? What is your average tax rate? Don't make any additional assumptions, which you don't need. Think (very) carefully before you