Martin owns a store that sells four different products. Each product has the same unit selling price and equal unit variable costs. This

month, the sales mix has been calculated and each of the four products constitute $25\%$ of sales as determined by number of units sold.

Does $\backslash$Martin need to calculate the weighted$-$average unit contribution margin this month?

No$,$ the weighted$-$average unit contribution margin is equal to the contribution margin for each of the products.

Yes, the weighted$-$average unit contribution margin is not dependent on the sales mix percentage.

No$,$ the weighted$-$average unit contribution margin is equal to the unit selling price of each of the products.

Yes, the weighted$-$average unit contribution margin will be impacted by the company$-$wide break$-$even point in units.