Crane Company produces a product that requires 2.6 pounds of materials per unit. The allowance for waste and spoilage per unit is 0.3 pounds and 0.1 pounds, respectively. The purchase price is $2 per pound, but a 2% discount is usually taken. Freight costs are $0.1 per pound, and receiving and handling costs are $0.07 per pound. The hourly wage rate is $6 per hour, but a raise which will average $0.40 will go into effect soon. Payroll taxes are $1.30 per hour, and fringe benefits average $2.50 per hour. Standard production time is 1 hour per unit, and the allowance for rest periods and setup is 0.2 hours and 0.1 hours, respectively. The standard direct labor hours per unit is : a. 1.8 hours.
b. 1.6 hours.
c. 1.9 hours.
d. 1.5 hour.

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