Swell Computers Has 12 Obsolete Computers That Are Carried in Its

Multiple Choice

Swell Computers has 12 obsolete computers that are carried in its inventory at a cost of $13,200.If these computers are upgraded at a cost of $7,500, they could be sold for $15,300.Alternatively, the computers could be sold "as is" for $9,000.What is the net advantage or disadvantage of upgrading the computers?

A) $6,300 advantage
B) $1,200 disadvantage
C) $5,400 disadvantage
D) $3,000 advantage