Answer:
B. $123,000
Explanation:
The computation of the Paul's cost of going to college is presented below:
= Tuition fees + room and board charges + books expenses + earning as a construction job - room and board charges
= $90,000 + $15,000 + $7,000 + $22,000 - $11,000
= $123,000
We simply deduct the room and board charges while working as a construction job and the other items would be added