Dr Gupta Diagnostics' income statement for 20 is as follows a. Compute the profit margin in 20x (Round the final answer to 2 decimal pleces.) Profit margin b. Assume in 20XY sales increase by 10 percent and cost of goods sold increases by 20 percent. The firm is able to keep all other expenses the same Once again, ossume a tax rate of 30 percent. What are the income after taxes and profit margin in 20xy ? (Round the profit margin to 2 decimal places.)