A small firm produces and sells automotive items in a five-state area . The firm expects to consolidate assembly of its battery chargers line at a single location . Currently, operations are in three widely scattered locations. The leading candidate for location will have a monthly fixed cost of $ 42,000 and variable costs of $3 per charger. Chargers sell for $7 each . Prepare a table the shows total profits , fixed costs , variablr costs , and revenues for monthly volumes of 10,000, 12,000, and 15,000 units. What is the break-even point?