Since 1982, banks and thrift institutions have offered a type of savings account that yields a market rate of interest with a minimum balance and a limit on transactions. These accounts, which have no minimum maturity, are known as

The classical range of the aggregate supply curve is the portion where:

a. The average price level and real GDP do not change with movements in aggregate demand. b. Real GDP does not change with movements of aggregate demand, but the average price level does change. c. The average price level does not change with movements of aggregate demand, but real GDP does. d. The average price level and real GDP change with movements in aggregate demand.

Table 1.3 shows the hypothetical trade-off between different combinations of brushes and combs that might be produced in a year with the limited capacity for Country X, ceteris paribus.Table 1.3Production Possibilities for Brushes and CombsCombinationNumber of combsOpportunity Cost(Foregone brushes)Number of brushesOpportunity Cost (Foregone combs)J4 0NAK3 10 L2 17 M1 21 N0NA23 On the basis of Table 1.3, in the production range of 1 to 2 combs the opportunity cost of producing 1 more comb in terms of brushes is

A. 4. B. 1/2. C. 1/7. D. 2/17.