PART IV - RATIOS (12 points) Walkers Enterprises reported the following information for 2018: Beginning inventory $32,000 Cost of goods sold 404,000 Ending inventory 45,000 Net income 28,000 Net sales 750,000 Operating expenses 220,000 Sales revenue 765,000 Instructions: Compute each of the following ratios: (1) Gross profit rate (2) Inventory turnover (3) Days in inventory (4) Profit margin