Answer:
$5300
Step-by-step explanation:
Contribution margin for Division B = Sales * Contribution margin ratio
= $243,000 * 20%
= $46,800
Total contribution margin = Division A + Division B
= $46,400 + $46,800
= $93,200
Contribution margin $93,200
Less : Traceable fixed expenses $51,100
Less : Common fixed expenses (plug) $5300
Net operating income $33,800