Agatha Concrete Company has been offered by its bank to manage its cash at a cost of $25,000 per year. Under the proposed cash management, the firm can reduce the cash required on hand by $300,000. Since the bank is also doing a lot of record keeping, the firm's administrative cost would decrease by $1,000 per month. What recommendation would you give the firm with respect to the proposed cash management assuming the firm's opportunity cost is 6 percent

Which is cheaper: eating out or dining in? the mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (money.msn website, november 7, 2012). a sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. develop appropriate hypotheses for a test to determine whether the sample data support the conclusion that the mean cost of a restaurant meal is less than fixing a comparable meal at home. b. using the sample from the 100 restaurants, what is the p-value? c. at a = .05, what is your conclusion? d. repeat the preceding hypothesis test using the critical value approach