Gross Private Domestic Investment $46 Exports of the U. S. 9 Disposable Income 190 Personal Saving 10 Government Purchases 84 Net Foreign Factor Income 10 Consumption of Fixed Capital 52 Dividends 13 Imports of the U. S. 12 Taxes on Production and Imports 22 Personal Taxes 38 Social Security Contributions 23 Statistical Discrepancy 0 Refer to the accompanying data. All figures are in billions of dollars. The national income is

Which plan offers a tax-free education?

Which of the following statements is (are) true? i. free entry to a perfectly competitive industry results in the industry's firms earning zero economic profit in the long run, except for the most efficient producers, who may earn economic rent. ii. in a perfectly competitive market, long-run equilibrium is characterized by lmc < p < latc. iii. if a competitive industry is in long-run equilibrium, a decrease in demand causes firms to earn negative profit because the market price will fall below average total cost.

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i. e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?