Afirm currently produces 3,500 units of output per week. after an additional worker is hired, output rises to 3,750 units per week. if the weekly wage paid to a worker is $500, what is the firm's short-run marginal cost? a. $500 b. $250 c. $2 d. none of the above is correct.

Fortress international, a large conglomerate, procures a few component parts from external suppliers and also manufactures some of the key raw materials in its own subsidiaries. aside from this, the company does not solely depend on outside distributors to reach its customers. in fact, it has its own retail stores to distribute its products. in this scenario, which of the following alternatives to vertical integration is fortress international applying? a. concentric integration b. taper integration c. horizontal integration d. conglomerate integration