Assuming no direct factory overhead costs (i. e., inventory carry costs) and $3 million dollars in combined promotion and sales budget, the dim product manager wishes to achieve a product contribution margin of 35%. given their product currently is priced at $35.00, what would they need to limit the material and labor costs to? a. $23.00b. $24.50c. $21.00d. $22.75

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