1. Abacus has 800 obsolete calculators that are carried in inventory at a cost of $1,920. If these Alternatively, the calculators could be sold "as is" for $1,600. What is the net advantage or disadvantage of reworking the calculators? A) $1,400 advantage B) $2,900 advantage C) $5,440 disadvantage D) $200 disadvantage calculators are upgraded at a cost of $3,100, they could be sold for $4,500