Problems (10 points.cach); 21. Ruger makes rifles that sell en fles that sell for $550 cach Variable costs are 35 each. Fixed costs are $2,500 a. Prepare a contribution format income statement at a sales level of level of 600 rifles b. Calculate the contribution margin ratio for these rifles? nes? c. How many rifles must be sold to generate a Net Income (target profit) of $49.5007