Mary Smith sells gourmet chocolate chip cookies. The results of her last month of operations are as follows: Sales revenue Cost of goods sold (all variable) Gross margin Selling expenses (20% variable) Administrative expenses (60% variable) Operating income $60,500 26,500 34,000 9,300 $13,700 What is Mary's degree of operating leverage? (Round answer to 2 decimal places, e.g. 52.75.) Operating leverage If Mary can increase sales by 10%, by how much will her operating income increase? (Round answer to o decimal places, e.g. 5,275.) Increase in operating income $ En le ction Onan Show Work