assume the economy in the united states has a break-even point of $4,500 billion. businesses plan to invest $78 billion. government purchases $864 worth of goods and services. exports are $458 billion. imports are $432 billion and net exports is $26 billion. for every one dollar change in disposable income, households spend 75 cents. the labor force in this economy is 154,432,000. the population is 265,752,000. 9,765,000 people are not working but actively seeking work. 1. what is the mpc in this economy? 2. what is the multiplier in this economy? 3. what is the equilibrium gdp in this economy? 4. what is the gdp gap in this economy if the nru is 5%? 5. by how much should government increase (or reduce) spending to close the gdp gap?