Complete the following sentences by choosing the best answer from the drop-down menu to identify the impact of cell phones on business. The first cell phones in widespread use were
.

Smartphone technological advancements added
services.

Answer the following questions by choosing the best answer from the drop-down menus.

Why did cell phones gain in popularity?

Which device stemmed from the original cell phone and allowed for synchronized contact information?

Which device followed the PDA?

If you can help plz comment.

The total value of your portfolio is $10,000: $3,000 of it is invested in stock a and the remainder invested in stock b. stock a has a beta of 0.8; stock b has a beta of 1.2. the risk premium on the market portfolio is 8%; the risk-free rate is 2%. additional information on stocks a and b is provided below. return in each state state probability of state stock a stock b excellent 15% 15% 5% normal 50% 9% 7% poor 35% -15% 10% what are each stock’s expected return and the standard deviation? what are the expected return and the standard deviation of your portfolio? what is the beta of your portfolio? using capm, what is the expected return on the portfolio? given your answer above, would you buy, sell, or hold the portfolio?

What is the relationship between the national response framework and the national incident management system (nims)? a. the national response framework replaces the nims, which is now obsolete. b. the response protocols and structures described in the national response framework align with the nims, and all nims components support response. c. the nims relates to local, state, and territorial operations, whereas the nrf relates strictly to federal operations. d. the nims and the national response framework cover different aspects of incident management—the nims is focused on tactical planning, and the national response framework is focused on coordination.

Why do you think the compensation plans differ at the two firms? in particular, why do you think kaufmann’s pays commissions to salespeople, while parkleigh does not? why does parkleigh offer employees discounts on purchases, while kaufmann’s does not?