The largest single source of federal government revenue is the:
a. payroll tax

In the IS-LM Model, assuming downward sloping IS curve and upward sloping LM curve; increase in consumers' wealth is going to

A) cause a movement along the IS curve. B) cause a rightward shift of the IS curve. C) cause a leftward shift of the LM curve. D) cause a rightward shift of the LM curve.

Sally owns a beauty shop that generates a total revenue of $90,000 per year. She pays her employees a total of $45,000 . pays $10,000 for rent, insurance, and utilities; and pays $15,000 for beauty supplies such as hair spray and shampoo. Sally is glad to have the shop, because her next best alternative is to work as a cafeteria attendant for a salary of $8,000 a year. From this we can conclude

that Sally a. would earn more working at the cafeteria b. makes an economic profit of $20,000 c. makes an economic profit of $12,000 d. has total explicit costs of $78,000 e. has total implicit costs of $12,000