Answer:
The correct answer is B
Explanation:
Economic profit is the difference among the revenue received from the sale of the output and the cost of all inputs used and opportunity cost.
Zero economic profit, it is the situation where the firm is earning the same if its resources were employed in the next alternative which is best.
When the entry barriers in the market are low, then the firm will have the tendency of having a zero economic profit in the period of long run, as the profit which is short run will attract the extra suppliers which will result in down in the market price of the product.
So they will want to buy them if someone sees a product they like and maybe feels a connection to buy it then they will buy it
Answer: Option B
Explanation: Under the straight line method of depreciation, the value of the asset is divided equally to its useful life. It is computed as follows :-

NOW,
A. Straight line method as per the above equation provides for equal productivity.
B. Dividing the usefulness equally results in ignorance of change in the rate of asset use as the asset may be used less initially but more in later years.
C. As the expense from the method remains same and the actual value of the asset diminishes it results in higher rate of return.
D. Decreasing charge method charge depreciation on written down value whereas straight line charges t initial cost thus it gives higher write offs than decreasing charge.
Answer:
The workings of the answer are below;
Explanation:
Cost of purchase A $0.12
Current Market price B $492,937.50
Total Gain on sale C=B-A $492,937.38
Average annual gain over 56 year=$492,937.38/56=$8,802.45