Smithsborough, Inc. had the following profit and loss statement for the year ending 2009: $50,000,000 Sales Cost of goods sold Gross Margin Marketing Expenses $40,000,000 Sales expenses $10,000,000 Promotion expenses 4000,000 14,000,000 General and Administrative Expenses Managerial salaries and expenses for the marketing function $1,000,000 Indirect overhead 6.000.000 7000.00o $19,000,000 Net profit before income tax Determine the following ratios a. gross margin percentage b. net profit percentage c. operating expense percentage d. net marketing contribution e. marketing return on sales (marketing ROS) f. marketing return on investment (marketing ROI) g. Is Smithsborough doing well? Explain your