How do we know whether or not something is ethical?

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

Job applications give employers uniform information for all employees, making it easier to

Lauer corporation uses the periodic inventory system and has provided the following information about one of its laptop computers: date transaction number of units cost per unit 1/1 beginning inventory 210 $ 910 5/5 purchase 310 $ 1,010 8/10 purchase 410 $ 1,110 10/15 purchase 255 $ 1,160 during the year, lauer sold 1,025 laptop computers. what was cost of goods sold using the lifo cost flow assumption?