The following are the selected data of D & T Shafer Company for the years ended December 31, 208 and 20A. Sales (all on account) Cost of Sales Average Inventory during the year Average Receivable during the year Average Investments during the year Operating Expenses (Distribution and Admin.) Required: 1. Compute the following for 208 and 20A a. Gross Profit Percentage b. Rate of Return on Sales c. Rate of Return on Investment (ROI) d. Inventory Turnover e. Accounts Receivable Turnover 20B P 1,460,000 850,000 210,000 290,000 1,200,000 250,000 20A P 1,100,000 780,000 195,000 190,000 1,500,000 300,000