Answer and Explanation:
The computation of the break even point is given below
As we know that
Break even point is
= (Fixed cost) ÷ (Selling price per unit - variable cost per unit)
a. Break even point is
= ($407,400) ÷ ($90 - $48)
= 9,700 units
b. The break even point is
= ($320,000) ÷ ($90 - $51)
= 8,205 units