The Tobias Company has 12 obsolete computers that are carried in inventory at a cost of $13,200. If these computers are upgraded at a cost of $7,500, they could be sold for $19,500. Alternatively, the calculators could be sold as is for $9,000. What is the net advantage or disadvantage of re-working the computers? Answer $12,000 advantage $1,200 disadvantage $10,200 disadvantage $3,000 advantage