The Asus Company has 56 obsolete desktop computers that are carried in inventory at a total cost of $39,200. If these desktop computers are upgraded at a total cost of $11,000, they can be sold for a total selling price of $33,000. As an alternative, the desktop computers can be sold in their present condition for $8,400. Do not enter dollar signs or commas in the input boxes. Only use the negative sign for a disadvantage to upgrade. a) How much is the total sunk cost in this situation? Sunk Cost: $ b) What is the net advantage or disadvantage to the Asus Company from upgrading and selling the desktop computers? Upgrade computers. Selling as-is Advantage/disadvantage to upgrade $