Based on the table below for a perfectly competitive firm: Quantity Fixed Cost Variable Cost Total Cost Marginal Cost
10 200 50 250
20 200 100 300 5
30 200 300 500 20
40 200 800 1000 X

1. If the equilibrium price is $20, find the profit-maximizing quantity.
2. How much profit will the firm earn?

Suppose the price of a complement to lcd televisions rises. what effect will this have on the market equilibrium for lcd tvs?

Need with my trade theory homework. i doubt what i wrote was right.consider a monopolistically competitive market for soft drinks in which n symmetric firms face the following demand function: q=s(1/n-b(p-(p with the straight line on which implies the marginal revenue functionmr=p-(q/sb)finally, suppose firms face the total cost functiontc=900,000+100qsuppose the market size, s, is 27,000,000, and the elasticity parameter b is 0.003.diagram the price and the average total cost in the market as a function of the number of firms. what are the equations for each curve, and why does each curve slope up or down? label the equilibrium number of firms and the equilibrium price in the diagram. why is this the equilibrium?

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