If you know that when a firm produces 10 units of output, total costs are $1,030 and average fixed costs are $10, then total variable costs are:

Faced with the evidence of poor working conditions and low wages in the border maquiladoras, economists

A) shrug their shoulders and ignore the issue. B) agree that trade theory is thus proven hollow and internally inconsistent. C) argue that U.S. consumers should not consume lettuce. D) argue that the poor conditions and low wages are actually improvements for the Mexican workers, and may be cited as gains-from-trade. E) argue that Mexico's generally high overall productivity offsets these conditions.

Charter schools

A. are public schools. B. operate under special state government charters. C. can experiment with a variety of approaches to education. D. have some independence in making spending and hiring decisions. E. all of these answer options are correct.