The aggregate production/aggregate expenditures model (multiplier model) is not designed to answer which one of the following questions? (a) how will aggregate expenditures change given a change in autonomous expenditures and a fixed price level? (b) how much will the ad curve shift given a change in autonomous expenditures (i. e. what are the multiplier effects), assuming prices do not change? (c) how did the economy arrive at its current price and output level given information in the past? (d) how will a change in autonomous expenditures change equilibrium output?

Amachine purchased three years ago for $720,000 has a current book value using straight-line depreciation of $400,000: its operating expenses are $60,000 per year. a replacement machine would cost $480,000, have a useful life of nine years, and would require $26,000 per year in operating expenses. it has an expected salvage value of $130,000 after nine years. the current disposal value of the old machine is $170,000: if it is kept 9 more years, its residual value would be $20,000. calculate the total costs in keeping the old machine and purchase a new machine. should the old machine be replaced?

Match the steps for conducting an informational interview with the tasks in each step.

What is the state tax rate for a resident of arizona whose annual taxable income is $18,000?