The zero-profit condition is assumed for the long run equilibrium under monopolistic competition, all things equal. So explain why it is possible for firms under monopolistic competition to escape the zero-profit condition while it is much less likely under perfect competition.

This year, druehl, inc., will produce 60 comma 000 hot water heaters at its plant in delaware, in order to meet expected global demand. to accomplish this, each laborer at the plant will work 200 hours per month. if the labor productivity at the plant is 0.25 hot water heaters per labor hour, how many laborers are employed at the plant? number of laborers employed by the plant = nothing laborers (round your answer to the nearest whole number).