Flexible Budget for Selling and Administrative Expenses for a Service Company Digital Solutions Inc. uses flexible budgets that are based on the following data: Sales commissions 8% of sales Advertising expense 15% of sales Miscellaneous administrative expense $10,000 per month plus 4% of sales Office salaries expense $50,000 per month Customer support expenses $20,000 per month plus 30% of sales Research and development expense $75,000 per month Prepare a flexible selling and administrative expenses budget for October for sales volumes of $500,000, $750,000, and $1,000,000. (Use Exhibit 5 as a model.)

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