Challenges faced in implementation of principle of contribution

Gerda, a real estate agent, is selling a moderately priced house in a subdivision. she knows from her uncle that the factory being built half a mile from the subdivision will be manufacturing dog food, using a process that creates a very strong odor that permeates the surrounding neighborhood. a buyer, who is unaware of the type of factory under construction, makes an offer on one of the houses gerda is selling, and within a short time, the deal goes through. what does this scenario best illustrate?

You hold a diversified $100,000 portfolio consisting of 20 stocks with $5,000 invested in each. the portfolio's beta is 1.12. you plan to sell a stock with b = 0.90 and use the proceeds to buy a new stock with b = 1.50. what will the portfolio's new beta be? do not round your intermediate calculations.

Ellen and george work for the same company. ellen, a gen xer, really appreciates the flextime opportunities, while george, a baby boomer, takes advantage of the free computer training offered at the company. these policies are examples of