D maybe sorry if wrong i am not the best in history
Answer: An unfavorable variance can be used to detect a drop in estimated income early, and then solutions to the challenge can be identified.
Explanation:
An unfavorable variance is the difference between a company's projected expectation and the actual outcome of a financial activity of the company, where the actual outcome is less favorable than the projected expectation.
The information from an unfavorable variance can help alert a company to a negative outcome early, and the company's leadership can then find ways of solving the cause of the negative outcome.
Answer: Option A
Explanation: Operating income refers to the income that the company earns from performing its core operations. It is also denoted as EBIT. Thus, the difference between operating income and income after tax is the tax that has been deducted from the operating income.
While calculating accounting profit, opportunity cost is not deducted from the revenue hence before tax and after tax depicts the investments that were made to earn that profit.
Answer:
(C) The Firm's stock is overvalued and one should consider selling the stock
Explanation:
Price Earnings Ratio is a measure of market price of stock in relation to it's earnings. It shows how well a company's stock is valued in the market.
Price Earnings Ratio = 
A high price earnings ratio would lead investors to believe that the firm's stock prices are higher than it's earnings which means the stock prices are overvalued.
This further means, the market price of those stocks is greater than their fair value and it would be beneficial to investors to sell such stocks as it would result into a gain.
Thus, a higher price earnings ratio will lead investors to infer that the firm's stock is overvalued and one should consider selling the stock.
Answer:
Dialogue with a goal of helping another be more effective and achieve his or her full potential on the job is referred to as coaching.