Shelfield Cap Springs produces and sells water filtration systems for homeowners. Information regardingits three modek is shown below. The company's total fixed costs to produce the filtration systems are $173,544 (a) nntarmina 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, es. 10.25) Weighted-average unit contribution margin eTextbookand Media Assistance Used eTextbook Attempts: 0 of 5 used (c) The parts of this question must be completed in order. This part will be available whenyou complete the part above