Current Attempt in Progress Snow Cap Springs produces and sells water filtration systems for homeowners. Information regarding its three models is shown below. The company's total fixed costs to produce the filtration systems are $180,700. (a) Your answer is correct. Determine the sales mix as a function of units sold for the three products. Determine the weighted-average unit contribution margin. (Round answer to 2 decimal places, eg. 10.25.) Weighted-average unit contribution margin eTextbook and Media Your answer is correct. etermine the total number of units that the company must produce to break even. reak-even point in units units Textbook and Media Determine the number of units of each model that the company must produce to break even