Determine the sales mix as a function of units sold for the three products. (b) The parts of this question must be completed in order. This part will be available when you complete the part above. (b) The parts of this question must be completed in order. This part will be available when you complete the part above. (c) The parts of this question must be completed in order. This part will be available when you complete the part above. (d) The parts of this question must be completed in order. This part will be available when you complete the part above. 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 $163,520