Answer:
The contribution margin of the West business segment is $430,000
Step-by-step explanation:
The contribution margin is the difference between the sales revenue and the variable expense. Other cost like - fixed expense, traceable fixed cost is irrelevant while calculating the fixed cost.
So,
Contribution margin for the West business :
= Sales revenue - Variable expense
= $910,000 - $480,000
= $430,000
Thus, the contribution margin of the West business segment is $430,000