In the US federal tax code, a person who earns up to $9600 is taxed at a 10% rate, and if he earns between $9600 and $48360he is taxed at a 15% rate on the income above $9600. Now President proposes exempting the first $10,000 of income from taxation. a. Assume that all income is from labor. Draw a leisure-income diagram showing (i) the effect of the current tax code on the choice of labor hours, and (ii) the effect if the proposed change is enacted.