(c) how many times larger is the u. s. economy than the ethiopian economy?

Emily bought 200 shares of abc co. stock for $29.00 per share on 60% margin. assume she holds the stock for one year and that her interest costs will be $80 over the holding period. ignoring commissions, what is her percentage return (loss) on invested capital if the stock price went down 10%?

the question using the following data, which show all available techniques for producing 20 units of a particular commodityresource resource prices possible production techniques#1 #2 #3 #4 #5land $4 2 4 2 4 4labor 3 1 2 4 1 3capital 3 5 2 3 1 2entrepreneurial ability 2 3 1 1 4 1assuming that the firm is motivated by self-interest and that the 20 units that can be produced with each technique can be sold for $2 per unit, the firm will

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?