A money management firm, which specializes in debt reduction, is interested in the average amount of debt for a married couple. In previous years, married couples had 4500 dollars, on average, of debt. Due to increased costs of college and mortgage interest rates, the money management firm suspects this average has increased in recent years. If the money management firm carries out an hypothesis test, what forms the rejection region?

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?

Go follow my instagram atx_humberto

3. describe the purpose of the sec. (1-4 sentences. 2.0 points)