How much did employment fall by during the Great Recession?

The table above gives a firm's total product schedule. Suppose labor is the only variable factor of production. The price of labor is $500 per week and total fixed costs are $600 per week. What is the total cost of producing 70 units?

A) $1,700 B) $1,900 C) $2,100 D) $2,300

A reduction in business expectations, combined with the imposition of new tariffs by major trading partners, would have what effect on aggregate demand? a. AD would increase

b. AD would decrease. c. AD would stay the same. d. AD could either increase or decrease, depending on which change was of a greater magnitude.