Holding other factors constant, if Congress passes a 5% investment tax credit under which a firm receives $5 in tax refunds from the government for every $100 it spends on new capital equipment, then the real interest rate will and the equilibrium quantity of national saving and investment will .

The usa today reports that the average expenditure on valentine's day is $100.89. do male and female consumers differ in the amounts they spend? the average expenditure in a sample survey of 47 male consumers was $135.67, and the average expenditure in a sample survey of 38 female consumers was $68.64. based on past surveys, the standard deviation for male consumers is assumed to be $34, and the standard deviation for female consumers is assumed to be $17.