Dr. Gupta Diagnostics' income statement for 20XX is as follows: a. Compute the profit margin in 20x. (Round the final answer to 2 decimal places.) Profit margin a. Compute the profit margin in 20x. (Round the final answer to 2 decimal places.) 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 expenses the same. Once again, assume a tax rate of 30 percent. What are the income after taxes and profit margin in 20xy ? the profit margin to 2 decimal places.)