Consider a monopolistically competitive market with n firms. each firm's business opportunities are described by the following equations: demand: q=160n−p marginal revenue: mr=160n−4q total cost: tc=150+q2 marginal cost: mc=4q as n rises, the demand for each firm's product . how many units does each firm produce? 20n 20 1,280n 20n what price does each firm charge? 140n 140n 180n 160n how much profit does each firm make? 2,800n2 2,400n2−150 150+400n2 3,200n2−150 in the long run, firms will exist in this market.

Adamson company manufactures four lines of garden tools. as a result of an activity analysis, the accounting department has identified eight activity cost pools. each of the product lines is produced in large batches, with the whole plant devoted to one product at a time. classify each of the following activities or costs as either unit-level, batch-level, product-level, or facility-level. activities (a) machining parts. (b) product design. (c) plant maintenance. (d) machine setup. (e) assembling parts. (f) purchasing raw materials. (g) property taxes. (h) painting.