The common shares of Twitter, Inc. (TWTR) recently traded on the NYSE for $19.50 per share. You have employee stock options to purchase 1,000 TWTR shares for $17.5 per share. The options expire in three years. Assume that the annualized volatility of TWTR stock is 86.4 percent and that the interest rate is 3.0 percent. (Assume the options are European options that may only be exercised at the maturity date.) a. Is this option a call or a put?
b. What is the estimated value of the options if their maturity is six months instead of three years?
c. What is the estimated value of the options if their maturity is three years, but TWTR's volatility is 61.0 percent?

Discuss how the resource-based view (rbv) of the firm combines the two perspectives of (1) an internal analysis of a firm and (2) an external analysis of its industry and its competitive environment. include comments on the different types of firm resources and how these resources can be used by a firm to build sustainable competitive advantages.

The wall street journal reported that walmart stores inc. is planning to lay off 2,300 employees at its sam's club warehouse unit. approximately half of the layoffs will be hourly employees (the wall street journal, january 25-26, 2014). suppose the following data represent the percentage of hourly employees laid off for 15 sam's club stores. 55 56 44 43 44 56 60 62 57 45 36 38 50 69 65 (a) compute the mean and median percentage of hourly employees being laid off at these stores. (b) compute the first and third quartiles. (c) compute the range and interquartile range. (d) compute the variance and standard deviation. (e) do the data contain any outliers? (f) based on the sample data, does it appear that walmart is meeting its goal for reducing the number of hourly employees?

At the end of year 2, retained earnings for the baker company was $3,550. revenue earned by the company in year 2 was $3,800, expenses paid during the period were $2,000, and dividends paid during the period were $1,400. based on this information alone, retained earnings at the beginning of year 2 was: