Dr. Gupta Diagnostics'income statement for 20XX is as follows: Sales Cost of goods sold $2,750,000 2,030,000 720,000 325,000 Gross profit Selling and adninistrative expense Operating profit Interest expense 395,000 54,600 Income before taxes Taxes (301) 340,400 102,120 Income after taxes $238,280 a. Compute the profit margin in 20XX. (Round the final answer to 2 decimal places.) Profit margin b. Assume in 20XY soles 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, assume 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.) 20xY Theone after taxes Profit margin