Answer:
Step-by-step explanation:
First you subtract the parts cost from the total bill to see the total cost of labor. After that divide that to 42 to see how many hrs they worked.
we have to factories it in both activities..
Rotterdam
it's in the negatives
⇛ -12 + 8
⇛ -4
$12
Multiplier=0.6
20 times 0.6 = 12
