If there is public dissaving, investment spending in the economy will decline, holding everything else constant

Tom is buying a quantity of wheat at which the marginal utility (in dollars) exceeds price. He should

a. reduce wheat consumption, thus raising P to the level at which MU = P. b. reduce wheat consumption, thus raising MU to the level at which MU = P. c. increase wheat consumption, thus raising P to the level at which MU = P. d. increase wheat consumption, thus lowering MU to the level at which MU = P.

Demand for a product is given by Q = 200 - P and supply is given by Q = 0.5P - 10. If the quantity demanded rises by 10 units at every possible price, then the equilibrium quantity will be

a. 40 units b. 50 units c. 60 units d. 100 units