Answer: $80
Explanation:
The opportunity cost is regarded as the real cost of the alternative that was left or forgone.
Based on the information given in the question, the opportunity cost is the free ticket to a Post Malone concert that is worth $80 which was given to me by my friend.
Therefore, the correct option is E.
Answer:
a) 
b) 
c) For this case we have the total sales $ 15 millions after t =4 months
d) 
e) This value represent the increase in the amount of sales in millions after t=4 months
Explanation:
For this case we have the following function for the sales

Part a
For this case we want to find the derivate of S respect to t and we got:

Part b
For this case we want to find the value of S when t = 4 so if we replace we got:

Part c
For this case we have the total sales $ 15 millions after t =4 months
Part d
For this case we just need to replace t=4 in the derivate and we got:

Part e
This value represent the increase in the amount of sales in millions after t=4 months
Answer:
Time donated to a qualified veterans organization
Explanation:
The reason is that the company can only only deduct the products or services delivered which had cost the organization. The companies are not allowed to deduct the cost of time delivered however if the employee is specially paid to offer the services to qualified charitable institution then the charity would be tax deductable.
The answer to your question is D never
Answer:
the future value of the cash flow in year 4 is $5,632.73
Explanation:
The computation of the future value of the cash flow in year 4 is as follows:
= $1,075 × (1.08^3) + $1,210 × (1.08^2) + $1,340 × (1.08^1) + $1,420 ×(1.08^0)
= $1,354.19 + $1,411.34 + $1,447.20 + $1,420
= $5,632.73
Hence, the future value of the cash flow in year 4 is $5,632.73
The same is to be considered and relevant