Someone who believes that the collection of all stocks satisfies a single-factor model with the market portfolio serving as the factor gives you information on three stocks which make up a portfolio. In addiction, you know that the market portfolio has an expected rate of return of 12% and a standard deviation of 18% The risk-free rate is 5%.a. What is the portfolio's expected rate of return?b. Assuming the factor model is accurate, what is the stadard deviation of the rate of return?For stock A: Beta = 1.1, standard deviation of random error term = 7% and the weight in portfolio = 20%For stock B: Beta= .80, standard deviation of random error term = 2.3% and the weight in portfoilio = 50%For stock C: Beta = 1.0, standard deviation of random error term= 1.0% and the weight in portfolio = 30%

Uppose the book-printing industry is competitive and begins in a long-run equilibrium. then hi-tech printing company invents a new process that sharply reduces the cost of printing books. suppose hi-tech's patent prevents other firms from using the new technology. which of the following statements are true about what happens in the short run? check all that apply. hi-tech's average-total-cost curve shifts downward. hi-tech's profits increase. the price of books remains the same. hi-tech's marginal-cost curve remains the same.

Partnerships are the most common type of business firms in the world. t/f

Required prepare the necessary adjusting entries in the general journal as of december 31, assuming the following: on september 1, the company entered into a prepaid equipment maintenance contract. birch company paid $3,400 to cover maintenance service for six months, beginning september 1. the payment was debited to prepaid maintenance. supplies on hand at december 31 are $3,900. unearned commission fees at december 31 are $7,000. commission fees earned but not yet billed at december 31 are $3,500. (note: debit fees receivable.) birch company's lease calls for rent of $1,600 per month payable on the first of each month, plus an annual amount equal to 1% of annual commissions earned. this additional rent is payable on january 10 of the following year. (note: be sure to use the adjusted amount of commissions earned in computing the additional rent.)