my last answers are incorrect and im not sure i understand.Please help

port Snow Cap Springs produces and sells water filtration systems for homeowners. Information regarding its three models is shown below. Basic Basic Plus Premium Total Units sold 720 300 180 1.200 Selling price $249 $402 $804 Variable cost $190 $288 $411 The company's total fixed costs to produce the filtration systems are $184.275. Your answer is correct. Determine the sales mix as a function of units sold for the three products Basic Basic Plus Premium The sales mix as a function of units 60 % 25 % 15 96 sold Your answer is correct. Determine the weighted average unit contribution margin. (Round answer to 2 decimal places, s. 10.25.) Weighted average unit contribution margin $ 122.85 e Textbook and Media X Your answer is incorrect. Determine the total number of units that the company must produce to break even. Break-even point in units 975 units X Your answer is incorrect. Determine the number of units of each model that the company must produce to break even. Basic 35.4 units Basic Plus 28.5 units Premium 58.95 units e Textbook and Media