Suppose you can earn $10 before taxes for every hour you work. Furthermore, suppose that you can work up to 16 hours per day, 365 days per year. You pay a marginal income tax of 10% on the first $5,000 earned annually, 20% on the next $10,000 earned annually, and 30% thereafter. (4 points - 2 points each) a. Draw your annual budget constraint showing your before-tax income on the xaxis and after-tax income on the y-axis under the income tax schedule mentioned above. Clearly label the axes, slope(s), and any kink points in the budget constraint. b. If last year your total annual income before-tax was $30,000, what was your average tax rate