Answer:
<u>Unit Contribution Margin</u> = $6.50
Missing Problem Statement:
Sales $2,000,000
<u>Variable costs:</u>
Materials $380,000
Order processing $150,000
Billing labor $110,000
Selling expenses $60,000
Total variable costs $700,000
Fixed costs $1,000,000
Step-by-step explanation:
Given : <em>Total number of calculators sold = 200,000</em>
<em>First we will find the contribution margin for the whole sale, so:</em>
Contribution Margin = Sales - Variable Cost
Contribution Margin = 2000000-700000
Contribution Margin =$ 1,300,000
<em>Now for unit contribution margin :</em>
Unit Contribution Margin = 
Unit Contribution Margin =
<u>Unit Contribution Margin = $6.50</u>