Which of the following is the most difficult to measure? Changes in ________

Suppose an economy has a balanced federal budget, and a large increase in oil prices plunges the economy into a recession. Tax revenues will ________ and expenditures on transfer payments will ________, resulting in a budget ________

A) increase; increase; surplus B) fall; increase; deficit C) increase; fall; surplus D) fall; fall; deficit

How is the total cost of a factory or other production site determined?

(A) Fixed cost plus marginal cost. (B) Fixed cost plus variable cost. (C) Marginal cost plus variable cost. (D) Marginal cost plus output cost.