Giant company has three products, a, b, and c. the following information is available: cookbook travel book classics sales $ 60 comma 000 $ 99 comma 000 $ 22 comma 000 variable costs 40 comma 000 52 comma 000 15 comma 000 contribution margin 20 comma 000 47 comma 000 7 comma 000 fixed costs: avoidable 11 comma 000 15 comma 000 3 comma 000 unavoidable 11 comma 000 10 comma 000 5 comma 400 operating income $( 2 comma 000 ) $ 22 comma 000 $(1 comma 400) giant company is thinking of dropping product c because it is reporting a loss. assuming giant drops product c and does not replace it, operating income will

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