When a certain competitive firm produces and sells 40 units of output, its total revenue is $740 . If there is no change in price, then what is the amount of the firm's total revenue if it produces and sells 45 units of output?

If a meat packing plant has 30 employees, each employee has a 1 in 90 chance of getting injured on the job, and the cost of treating a job-related injury is $18,000, then the annual cost per injury for each employee is

A) $6.67. B) $200. C) $600. D) $6,000.

The overall U.S. balance of payments

a. shows a deficit b. shows a surplus c. is the merchandise trade balance d. equals exports minus imports e. shows how deficits in one account are exactly offset by surpluses in other accounts