Since the end of world war ii, the u. s. has almost always had rising prices and an upward trend in real gdp. to explain this
a. it is only necessary that long-run aggregate supply shifts right over time.
b. it is only necessary that aggregate demand shifts right over time.
c. both aggregate demand and long-run aggregate supply must be shifting right and aggregate demand must be shifting farther.
d. none of the above cases would produce rising prices and growing real gdp over time.

3. describe the purpose of the sec. (1-4 sentences. 2.0 points)

Waterway company’s record of transactions for the month of april was as follows. purchases sales april 1 (balance on hand) 672 @ $6.00 april 3 560 @ $11.00 4 1,680 @ 6.08 9 1,568 @ 11.00 8 896 @ 6.41 11 672 @ 12.00 13 1,344 @ 6.51 23 1,344 @ 12.00 21 784 @ 6.61 27 1,008 @ 13.00 29 560 @ 6.79 5,152 5,936 (a) calculate average-cost per unit. (b) assuming that periodic inventory records are kept in units only, compute the inventory at april 30 using lifo and average-cost. (c) assuming that perpetual inventory records are kept in dollars, determine the inventory using (1) fifo and (2) lifo. (d) compute cost of goods sold assuming periodic inventory procedures and inventory priced at fifo.

Which represents a surplus in the market? a market price equals equilibrium price. b quantity supplied is greater than quantity demanded. c market price is less than equilibrium price. d quantity supplied equals quantity demanded.