Which best explains the purpose of a supply curve?.

Which of the following correctly describes the accounting for indirect labor costs? indirect labor costs are product costs and are expensed as incurred. indirect labor costs are period costs and are expensed when the manufactured product is sold. indirect labor costs are period costs and are expensed as incurred. indirect labor costs are product costs and are expensed when the manufactured product is sold.

Acrosswalk_when there are no pavement markings.

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