Answer:
1. 20 units
2. $600
Explanation:
1. 
MC = 4q
Price, P = $80
For maximizing profits,
Marginal cost = Price of the commodity
4q = 80
q = 20 units


= 200 + 800
= 1,000
2. Profit = Total revenue - Total cost
= (Price × Quantity) - TC
= (80 × 20) - $1,000
= $1,600 - $1,000
= $600
3. We know that the firm in the short run will be produce at a point where total revenue is greater than the total variable cost
Average variable cost = variable cost ÷ quantity

= 2Q
MC = 4Q
Here, MC is greater than AVC at any given point.
so in the short run firm will producing short run positive profit.
Answer:
9.09%
9.327%
Explanation:
For computing the weighted cost of capital first we have to determine the cost of preferred stock, cost of common stock and the after cost of debt is shown below:
The Cost of preferred stock is
= Preferred dividend ÷ market price of preferred stock
= $2.50 ÷ $25
= 10%
The cost of common stock is
= (Expected dividend ÷ market price) + growth rate
= ($1.50 ÷ $20) + 0.05
= 12.50%
And, the after cost of debt is
= Before cost of debt × (1 - tax rate)
= 0.08 × (1 - 0.35)
= 5.2%
Now the WACC is
= Weightage of debt × cost of debt + (Weightage of preferred stock) × (cost of preferred stock) + (Weightage of common stock) × (cost of common stock)
= (0.45 × 5.2%) + (0.05 × 10%) + (0.50 × 12.5%)
= 2.34 + 0.5 + 6.25
= 9.09%
In the second case, the WACC is
= Weightage of debt × cost of debt + (Weightage of preferred stock) × (cost of preferred stock) + (Weightage of common stock) × (cost of common stock)
= (0.30 × 5.2%) + (0.05 × 10%) + (0.65 × 12.5%)
= 0.702 + 0.5 + 8.125
= 9.327%
In business this would be referred to generally as a liability (money that is owed).
Answer:
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Answer:
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