Hadley Corporation, which has only one product, has provided the following data concerning its most recent month of operations: Selling price $ 179 Units in beginning inventory 100 Units produced 1,250 Units sold 1,010 Units in ending inventory 340 Variable costs per unit: Direct materials $ 66 Direct labor $ 35 Variable manufacturing overhead $ 7 Variable selling and administrative expense $ 14 Fixed costs: Fixed manufacturing overhead $ 16,250 Fixed selling and administrative expense $ 22,220 What is the total period cost for the month under variable costing

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