Which of the following is true when workers specialize in the production of one good? a. The cost of producing the good increases

b. there is increased competition among the producers of similar goods

c. The satisfaction of the worker increases

d. The quantity of output produced by the worker increases

You decide to invest in a portfolio consisting of 25 percent stock a, 25 percent stock b, and the remainder in stock c. based on the following information, what is the expected return of your portfolio? state of economy probability of state return if state occurs of economy stock a stock b stock c recession .16 - 16.4 % - 2.7 % - 21.6 % normal .55 12.6 % 7.3 % 15.9 % boom .29 26.2 % 14.6 % 30.5 %