A. Which of the following equations or mathematical relationships is true only when the economy is at the equilibrium level of output? AE = Y AE = C + I + G + NX C = A + [MPC × (Y − T)] MPC + MPS = 1 b. At the equilibrium level of output, which of the following equations or mathematical relationships is true? AE = Y AE = C + I + G + NX C = A + [MPC × (Y − T)] MPC + MPS = 1 All of the equations except C = A + [MPC × (Y − T)] are true. All of the equations are true.

2. a box contains 50 slips of paper. forty of the slips are marked $0, 8 of the slips are marked $20, 1 slip is marked $100, and the last one is marked $500. find the expected net winnings of a person who pays $10 to randomly select one slip of paper. interpret.

Anew equipment has been proposed by engineers to increase the productivity of a certain manual welding operation. the investment cost is $25,000, and the equipment will have a market value of $5,000 at the end of a study period of five years. increased productivity attributable to the equipment will amount to $10,000 per year after operating costs have been subtracted from the revenue generated by the additional production. if marr is 10%, is investing in this equipment feasible? use annual worth method.

What are the positive environmental trends seen today? many industries are taking measures to reduce the use( _gold,carbon dioxide,ozone_) of -depleting substances and are turning to(_scarce,renewable,non-recyclable_) energy sources though they may seem expensive. choose one of those 3 option to fill the