For a competitive, profit-maximizing firm, the demand curve for labor will shift in response to a change in the

The expenses a company must pay before it can begin to produce and sell goods:

a. start-up costs b. merger c. patent d. monopoly e. deregulation

If the marginal propensity to save (MPS) is 0.10, the value of the spending multiplier is:

A. 1. B. 9. C. 10. D. 90.