Stuck on this one is financial literacy

According to the research in strategic human resources management,answers: firms that are able to use human resource practices to develop socially complex human and organizational resources are able to gain competitive advantage over firms that do not engage in these practices.firms that are able to use human resource practices to develop socially simplistic human and organizational resources are able to gain competitive advantage over firms that do not engage in these practices.firms that are able to use human resource practices to develop socially complex human and organizational resources gain little advantage over firms that do not engage in these practices.firms that are able to use human resource practices to develop socially complex human and organizational resources are at a competitive disadvantage when compared to firms that do not engage in these practices.

What are the main advantages and disadvantages of organizing a firm as a c corporation? the advantages are: (select all the choices that apply.) a. there is no limit on the number of owners a c corporation may have, thus allowing the corporation to raise substantial amounts of capital. b. the life of the business can continue beyond the death of any of the owners. c. the corporation can use the assets of the owners to pay for corporate liabilities. this attracts smaller investors to the corporation. d. the liability of the owners is limited to the amount of their investment in the firm. the disadvantages are: (select all the choices that apply.) a. income to a c corporation is subject to double taxation, once at the corporate level and again when received by the owners in the form of a dividend. b. the life of the business usually ends with the death of any of the owners. c. the c corporation is more complicated and more expensive to set up than other business entities. d. corporate liabilities can be passed on to the share

Laws corporation is considering the purchase of a machine costing $16,000. estimated cash savings from using the new machine are $4,120 per year. the machine will have no salvage value at the end of its useful life of six years and the required rate of return for laws corporation is 12%. the machine's internal rate of return is closest to (ignore income taxes) (a) 12% (b) 14% (c) 16% (d) 18%