1 When performing sales mix analysis, which one of the following is false; a. Making changes to the sales mix will likely cause a change in the breakeven point b. Producing and selling more units of the product with a higher contribution margin would likely decrease the breakeven point c Shifting the sales mix to the product with a lower contribution margin will likely ncrease the overall contribution margin d. The sales mix is usually assumed to be remain the same. e. Normally the calculation of the breakeven point for multiproduct is more complicated than that for a single product