The law of diminishing marginal returns says that as more of a variable input is combined with a fixed input, total output will increase; however, the increases in the firm's output will become ever smaller

Which of the following statements is correct?

A. If the profit-maximizing rule is fulfilled, it necessarily follows that the cost-minimization rule is being fulfilled. B. The profit-maximizing and the cost-minimizing rules are such that the fulfilling of one has no bearing on the fulfilling of the other. C. If the profit-maximizing rule is fulfilled, the cost-minimization rule may or may not be fulfilled. D. If the cost-minimization rule is fulfilled, it necessarily follows that the profit-maximizing rule is being fulfilled.

Based on the figure below. Starting from long-run equilibrium at point C, a decrease in government spending that decreases aggregate demand from AD1 to AD will lead to a short-run equilibrium at__ creating _____gap.

A. B; no output B. D; an expansionary C. B; recessionary D. D; a recessionary