An important element in estimating the present value of an investment is the calculation of the discount factor. The discount factor may be expressed as where r is the discount rate and n is the number of years the investment is held.

Which of the following statements is correct? large corporations are taxed more favorably than sole proprietorships. corporate stockholders are exposed to unlimited liability. due to limited liability, unlimited lives, and ease of ownership transfer, the vast majority of u.s. businesses (in terms of number of businesses) are organized as corporations. most businesses (by number and total dollar sales) are organized as partnerships or proprietorships because it is easier to set up and operate in one of these forms rather than as a corporation. however, if the business gets very large, it becomes advantageous to convert to a corporation, mainly because corporations have important tax advantages over proprietorships and partnerships. most business (measured by dollar sales) is conducted by corporations in spite of large corporations’ often less favorable tax treatment, due to legal considerations related to ownership transfers and limited liability.

10. which of the following is true regarding preretirement inflation? a. defined-benefit plans provide more inflation protection than defined-contribution plans. b. because of preretirement inflation, possible investment-related growth is increased for defined-contribution plans. c. all types of benefits are designed to cope with preretirement inflation. d. preretirement inflation is generally reflected in the increase in an employee's compensation level over a working career.

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?