Answer quest 50-54 please

A company's planned activity level for next year is expected to be 100,000 machine hours. At this level of activity, the company budgeted the following overhead costs: A flexible budget prepared at the 80,000 machine hours level of activity would show total manufacturing overhead costs of A) $288,000 B) $360,000 C) $384,000 D) $408,000 An investment center generated a contribution margin of $400,000, fixed costs of $200,000 and sales of $2,000,000. The center's average operating assets were $800,000. How much is the return on investment? A) 25% B) 175% C) 50% D) 75% A standard cost is A) a cost which is paid for a group of similar products B) the average cost in an industry C) a predetermined cost D) the historical cost of producing a product last year Using standard costs. A) can make management planning more difficult B) promotes greater economy C) does not help in setting prices D) weakens management control The direct materials quantity standard would not be expressed in A) pounds B) barrels C) dollars D) board feet