Answer:
The second one
Step-by-step explanation:
The question is incomplete. The question is asking whether the given statement is TRUE or FALSE.
Answer:
The given statement is FALSE.
Step-by-step 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.
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<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em> </em><em>⤴</em>
<em>Hope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>
The answer is 12.6
419 is 420 because we are estimating so find 1% of 420 which is 4.2 then multiply 4.2×3 to get 12.6