Arjen bought one dozen Asus laptop for $240,000.00 with a discount of 8%. She sold half dozer at a price of R19,500.00 per unit. However, a new model became available in the market, so she sold the remaining half dozen @ P18,000.00 each unit. What was her profit or loss? (20 points) each is what was Compute the following requirements: a. Gross profit rate b. Operating profit margin rate c.Net profit margin rate d. Return on IInvestmen