Do It! Review 19-2 Snow Cap Springs produces and sells water filtration systems for homeowners. Information regarding its three models is shown below. Basic Basic Plus Premium Total 1.100 165 Units sold Selling price Variable cost 660 $249 5190 275 $398 $803 $421 5287 The company's total fixed costs to produce the filtration systems are $180,675. Determine the sales mix as a function of units sold for the three products. (Round answers to o decimal places, c.9. 12.) Basic Basic Plus Premium The sales mix as a function of units sold LINK TO TEXI Determine the weighted average unit contribution margin (Round answer to 2 decimal places, e.g. 10.25.) Weighted average unit contribution margin