Answer:
D. Increase by $24,412.50
Step-by-step explanation:
The computation of the increase in profit is shown below:
= Number of units for purchase × contribution margin per unit
where,
Number of units for purchase is 225 units
And, the contribution margin per unit = Selling price per unit - variable cost per unit
The selling price per unit is $275
And, the variable cost per unit is
= $100 + $40 + $75 × 30% + $25 × 50% + $40 × 10%
= $100 + $40 + $22.5 + $4
= $166.50
So, the contribution margin per unit is
= $275 - $166.50
= $108.50 per unit
So, the increase in profit is
= 225 units × $108.50
= $24,412.50