Answer:
Contribution margin is $10.60 per unit and $20,140 in total for 1900 units.
Explanation:
Contribution margin is the net of selling price of product and variable cost of product. It is a return which is available to cover fixed costs and make profit for the business.
All the variable cost are those which vary with the sales / production of products. variable costs are calculated by multiplying each unit cost with number of units.
Fixed costs are those which do not change with the change in the output volume. It remains fix whatever the sales / production level is.
Variable cost per unit
Cost of goods sold $7.40 per unit
Supplies $1.40 per unit
Total $8.80 per unit
Selling price = $19.40 per unit
Contribution margin = $19.40 - $8.80 = $10.60 per unit
Contribution margin = $10.60 x 1900 units = $20,140