Profitability Analysis Kolby Enterprises reports the following information on its income statement: Net sales $230,000 Administrative expenses $20,000 Cost of goods sold 150.000 Other income 25,000 Selling expenses 50,000 Other expense 15,000 Required Calculate Kolby's gross profit percentage and return on sales ratio. Kolby is planning to expenses are expected to change. How will this affect Kolby's gross profit percentage (Round all answers to 1 decimal place.)