Competitive price taker firms always earn zero economic profit in long-run equilibrium because of the following reasons which include easy entry & exit, small player etc.
Perfect competition exists when there are many sellers, firms can easily enter and exit, products are identical from one seller to the next, and sellers are price takers.
A perfectly competitive firm must accept the equilibrium price at which it sells goods because it is a price taker.
A perfectly competitive firm will be unable to make any sales if it charges even a small amount more than the market price.
Furthermore, a perfectly competitive firm must be a very small player in the overall market, allowing it to increase or decrease output without affecting the overall quantity supplied and price in the market.
Hence, Competitive price taker firms always earn zero economic profit in long-run equilibrium.
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Answer:
c. 15.8%
Explanation:
The cost of equity is the WACC (weighted average cost of equity)
WACC formula = wE*rE + wD*rD(1-tax) , whereby
wE = weight of equity = 65%
rE = cost of equity = 20%
wD = weight of debt=35%
rD(1-tax ) = after tax cost of debt =8%
WACC = (0.65 *0.20) + (0.35*0.08)
= 0.13 + 0.028
= 0.158 or 15.8%
Therefore, the overall cost of capital is 15.8%
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