1. Abacus has 800 obsolete calculators that are carried in inventory at a cost of $1,920. If these calculators are upgraded at a cost of $3,100, they could be sold for $4,500. Alternatively, the calculators could be sold "as is" for $1,600. What is the net advantage or disadvantage of reworking the calculators?
2. Randolph Corporation sells a single product at a price of $275 per unit. Variable cost per unit is $135 and fixed costs total $356,860. If sales are expected to be $825,000, what is the company's margin of safety?