Chelonia Ltd manufactures robot toys. It plans to introduce three products, the RoboCat, the RoboDog and the RoboFish, with the following characteristics: RoboCat RoboDog RoboFish Expected Sales Mix 45.0 % 26.0 % 29.0 % Sales Price $ 112 $ 141 $ 69 Variable Cost $ 42 $ 83 $ 17 The company faces fixed costs of $ 143, 052 and is targeting an after-tax profit of $ 425,000 under a tax rate of 34.0 percent. Part A: Calculate the weighted average contribution margin per unit: $ . (Round your answer to 2 decimals.) Part B: Calculate the total number of robot toys Chelonia Ltd has to sell to break even. Calculate the total number of each product Chelonia Ltd has to sell to break even. Number of RoboCats: Number of RoboDogs: Number of RoboFishs: Part C: Calculate the total number of each product Chelonia Ltd has to sell to achieve their profit target. Number of RoboCats: Number of RoboDogs: Number of RoboFishs: Part D: Calculate the margin of safety in units