The Tingey Company has 500 obsolete microcomputers that are carried in inventory at a total cost of $720,000 if these microcomputers are upgraded at a total cost of $100,000. they be sold for a total of $160,000 As an alternative the microcomputers can be sold in their percent condition for $50,000 The sunk cost in the situation is $160,000 $720,000 $100,000 $50,000