hich of the following statements is true? The denominator used in computing earnings per share represents the shares of common stock outstanding on the last day of the accounting period. Net income is not adjusted when computing earnings per share. Earnings per share is an internal measure and is not used by stockholders. By comparing earnings per share of a single corporation over time, a stockholder can evaluate the corporation’s relative earnings performance.

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer