Answer:
b. $311,600
Explanation:
Calculation to determine what total contribution margin should be closest to:
Using this formula
Contribution margin per unit=Current contribution margin ÷ Current sales in units
Where,
Contribution margin per unit
=$319,200 ÷ 8,400
Contribution margin per unit= $38
Now let determine the total contribution margin
Total contribution margin= 8,200 × $38
Total contribution margin=$311,600
Therefore total contribution margin should be closest to:$311,600