us The Hill Company, a manufacturer of rain barrels, had the following data for 2019: Sales Sales price Variable costs Fixed costs 3,000 units $40 per unit $25 per unit $15.000 Please answer the following questions a. What is the margin of safety in dollars? (1.5 points) b. What is the margin of safety ratio? (1 point) Please keep 2 decimal points) c. If the company wishes to increase its total dollar contribution margin by 30% in 2020, by how much will it need to increase its sales it all other factors remain constant? (2.5 points) Edit View Insert Format Tools Table 12pt Paragraph BIVAL Top D EVE LEN Y F10 F11 FB FO F6 F7 F5 F1 F4 F2 F3