Gadgetbug, an electronic gadgets company, has established itself as one of the industry leaders. The company has been facing competition from new entrants. The new entrants offer gadgets in different colors, with compelling artwork embossed on the cases. Seeing the interest in this market, Gadgetbug introduced its own range of uniquely designed gadgets. In this scenario, Gadgetbug's attempt to cater to the different segments of customers to deter competition demonstrates: a. price signaling. b. product proliferation. c. a harvest strategy. d. a limit price strategy. e. diseconomies of scale.

Stocks a, b, and c are similar in some respects: each has an expected return of 10% and a standard deviation of 25%. stocks a and b have returns that are independent of one another; i.e., their correlation coefficient, r, equals zero. stocks a and c have returns that are negatively correlated with one another; i.e., r is less than 0. portfolio ab is a portfolio with half of its money invested in stock a and half in stock b. portfolio ac is a portfolio with half of its money invested in stock a and half invested in stock c. which of the following statements is correct? a. portfolio ab has a standard deviation that is greater than 25%.b. portfolio ac has an expected return that is less than 10%.c. portfolio ac has a standard deviation that is less than 25%.d. portfolio ab has a standard deviation that is equal to 25%.e. portfolio ac has an expected return that is greater than 25%.