While cultural differences and bureaucratic paperwork for foreign governments make the prospect of global trade difficult for small businesses, there is one bright spot on the horizon that has brought global trade closer to home. small businesses can now
a. buy health insurance for employees abroad that is much cheaper than in the u. s.
b. use technology such as paypal to fulfill orders, which gives them some assurance of payment.
c. delegate the details of going global to us government employees who are mandated to assure small buinesses succeed abroad.
d. avoid us labor laws that do not permit them to employe child labor.

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%.