In the United States, one worker can produce 10 tons of steel per day or 20 tons of chemicals per day. In the United Kingdom, one worker can produce 5 tons of steel per day or 15 tons of chemicals per day. The United Kingdom will gain the most from trade (and trade will be feasible) if 1 ton of steel trades for

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?