The question is incomplete. The question is asking whether the given statement is TRUE or FALSE.
Answer:
The given statement is FALSE.
Explanation:
Given:
Total unit cost of manufacturing product Y is,

Total unit cost after modifying the style is,

So, the differential cost for this situation is given as the difference of the modifying cost and manufacturing cost.
Therefore, the differential cost is given as:

Hence, the given statement is false and the correct value for differential cost for this situation is $12.