suds's bottling company does bottling, labeling, and distribution work for several local microbreweries. the demand rate for wortman's beer is 600 cases (24 bottles each) per week. suds's bottling production rate is 2 comma 300 cases per week, and the setup cost is $700. the value of inventory is $11.50 per case, and the annual holding cost is 30 percent of the inventory value. suds's bottling company operates 52 weeks per year. what is the economic production lot size?

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