9. Ezra's utility function is U = XY, where MUX = Y and MUY = X. In Lancaster, Pennsylvania, Ezra's income would equal $500, and the prices of good X and good Y are $5 and $5, respectively. In Washington, D.C., Ezra's income would equal $800, and the prices of good X and good Y are $8 and $10, respectively. Where should Ezra live? Show your work