Please hurry being timed 23. MotorCorp, Inc. is a multinational producer of automobiles that is currently experiencing constant returns to scale. Which of the following describes what happens as the firm increases its output?
A. Long-run average total cost decreases as the firm's output increases
B. Long-run average total cost increases as the firm's output increases
C. Economic profits decrease as the firm's output increases
D. Proportionate increases in inputs result in proportionate increases in output
E. Proportionate increases in inputs result in greater-than-proportionate increases in output

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