If there are an estimated 20,000 barrels of unknown reserves of oil, annual consumption of oil is 800 barrels, and it is estimated that the supply of oil will be depleted in 50 years, how many barrels of known reserves of oil are there estimated to

The reserve ratio is 10 percent. If the bank receives a customer deposit of $100,000, then an immediate effect is

A) a reduction in the bank's total assets of exactly $10,000. B) no change in the bank's total assets or total liabilities. C) a reduction in the bank's total liabilities of exactly $10,000. D) an increase in the bank's reserves of exactly $10,000.

Many economists think that, in the long run, the economy tends to move toward

a. the natural or full-employment rate of unemployment. b. the natural or full-employment rate of inflation. c. a severe slump with high unemployment. d. an accelerating rate of inflation.