The prices of a certain security followa geometric brownian motion with parameters μ = .12 and σ = .24. if the security’s price is presently 40, what is the probability that a call option, having four months until its expiration time and with a strike price of k = 42, will be exercised? (a security whose price at the time of expiration of a call option is above the strike price is said to finish in the money.)

Describe what fixed costs and marginal costs mean to a company.

You own a nonunion company with 93 nonexempt employees. all of these employ- ees pack books into boxes for shipment to customers throughout the united states. because of wide differences in performance, you have decided to try performance appraisal, something never done before. until now, you have given every worker the same size increase. now you want to measure performance and reward the best performers with bigger increases. without any further information, which of the five types of appraisal formats do you think would be most appropriate? justify your answer. do you anticipate any complaints, or other comments, from employees after you implement your new system?

Arguments made against free trade include all of the following exceptdumping is an unfair trade practice that puts domestic producers of substitute goods at a disadvantage that they should be protected against.national defense considerations justify producing certain goods domestically whether the country has a comparative advantage in their production or not.free trade is inflationary and should be restricted in the domestic interest. if foreign governments subsidize their exports, foreign firms that export are given an unfair advantage that domestic producers should be protected against.infant industries should be protected from free trade so that they may have time to develop and compete on an even basis with older, more established foreign industries.