During March, the production department of a process operations system completed and transferred to finished goods 27,000 units that were in process at the beginning of March and 180,000 units that were started and completed in March. March's beginning inventory units were 100% complete with respect to materials and 55% complete with respect to labor. At the end of March, 24,000 additional units were in process in the production department and were 100% complete with respect to materials and 60% complete with respect to labor. The production department incurred direct materials cost of $254,100 and its beginning inventory included materials cost of $93,800. Compute the direct materials cost per equivalent unit for the department using the weighted-average method.

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