The graph represents the linear demand curve of a company, along with the tangential isoprofit curve. The average labor productivity ? is 1. At point B, which response is correct?

a) Profits are $16,000.

b) The absolute value of the price elasticity is 4.

c) Total costs are $60,000.

d) The markup rate is 0.1.

Courbe d'isoprofit Prix, p ($) B 80- - W = 60 Courbe de demande 200 Fonction de production : q =n quantite, q : Emploi, n, etant donnee une fonction de production ou la PM du travail = A =1