Within the relevant range, a difference between variable costs and fixed costs is: multiple choice a. variable costs per unit change directly with activity and fixed costs per unit remain constant. b. variable costs per unit are constant and fixed costs per unit change indirectly with activity. c. both total variable costs and total fixed costs are constant. d. both total variable costs and total fixed costs change with activity.

Determine if the following statements are true or false. an increase in government spending can crowd out private investment. an improvement in the budget balance increases the demand for financial capital. an increase in private consumption may crowd out private investment. lower interest rates can lead to private investment being crowded out. a trade balance in sur+ increases the supply of financial capital. if private savings is equal to private investment, then there is neither a budget sur+ nor a budget deficit.