Amember has been asked to cosign checks with a client employee while the company president is on vacation. which statement about the application of the aicpa independence rules to this situation is correct? a. because the member will only be cosigning checks, independence is not threatened. b. because the member is a cosigner for a short time, independence is not threatened. c. because the member has entered into a joint venture with the client, independence is impaired. d. because check-signing is a management function, independence is impaired.

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