Ed makes work desk stations for businesses. His desks sell for $650 each. His total fixed costs are $2,000 and his total variable costs are $250 each for the first 1,000 units he produces, $420 each for the next 1,000 units, $620 each for the next 1,000 units, and $810 units over 3,000.
1. If Ed sells 5,000 desks, what are his total costs? $
2. What is Ed's total revenue? $
3. What is Ed's profit/loss? $