Concierge industries manufactures 40,000 components per year. the manufacturing cost of the components was determined as follows: direct materials direct labor variable manufacturing overhead fixed manufacturing overhead total $ 75,000 120,000 45,000 60,000 300,000 an outside supplier has offered to sell the component for $12.75 concierge industries can rent its unused manufacturing facilities for $45,000 if it purchases the component from the outside supplier what is the effect on income if concierge purchases the component from the outside supplier? oa. $135,000 increase b. $165,000 decrease o c. $ 195,000 increase od. $225,000 decrease

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