In the diagram, the economy's immediate-short-run AS curve is line ______, its short-run AS curve is _____, and its long-run AS curve is line ______.

An increase in the reserve requirement ________ required bank reserves and ________ the money supply

A) increases; increases B) increases; decreases C) decreases; increases D) decreases; decreases

If the entire Social Security payroll tax were paid the employees _____

a. firms would be better off b. more individuals would be self-employed c. the nominal wage paid by employers would increase d. the employees after-tax wage would fall