Answer:
$10.80
Explanation:
Given that:
A first-period efficient allocation cost = $10
The constant marginal extraction cost  MEC for both periods = $2
The social discount rate (r) = 10%
∴
The efficient undiscounted market price for the 2nd period can be determined by using the formula:

 
        
             
        
        
        
Answer:
Callie's Gross Profit is $562000
Explanation:
Gross profit is the profit earned by a business after deducting the costs associated with producing or selling its goods (for manufacturing and trading businesses) or the costs associated with providing the services (for service businesses) from the net revenue. 
It is the profit from the trading section of the business before deducting the operating and financing expenses of the business and before adding any other income.
The gross profit is simply calculated as follows,
Gross Profit = Net Revenue - Cost of Goods Sold
Callie's gross profit = 940000 - 378000
Callie's Gross Profit = 562000
 
        
             
        
        
        
Answer:
B. 
Explanation:
Social Security is Payroll Tax.