Crestco Car Mechanics, Inc. has decided to sell its computer diagnostic equipment and instead to hire more mechanics to work on cars. The sale of the equipment will bring in the amount of $800 immediately. The hiring of the new mechanics will require the company to make an additional investment in the business of $181 (an outflow) at the end of each year, beginning in one year, that continues for a total of 6 consecutive years. Calculate the internal rate of return (IRR) of this unusual project.

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%.