A personal allowance: a. was indexed for inflation every calendar quarter. b. was claimed to reduce the amount of withholdings from the employee's earnings. c. for one person is a different amount for a single versus a married taxpayer. d. was be claimed at the same time with each employer for whom an employee is working during the year. e. amounted to $2,000 in 20--.

He interest rate effect is the change in real gdp caused by the federal reserve adjusting target interest rates. is the change in consumer and investment spending due to changes in interest rates resulting from changes in the aggregate price level. is the change in exports and imports, resulting from changes in the interest rate caused by changes in the aggregate price level. is the change in investment spending and government purchases caused by changes in money demand. is the change in interest rates, caused by changes to government purchases.