Someone who believes that the collection of all stocks satisfies a single-factor model with the market portfolio serving as the factor gives you information on three stocks which make up a portfolio. In addiction, you know that the market portfolio has an expected rate of return of 12% and a standard deviation of 18% The risk-free rate is 5%.a. What is the portfolio's expected rate of return?b. Assuming the factor model is accurate, what is the stadard deviation of the rate of return?For stock A: Beta = 1.1, standard deviation of random error term = 7% and the weight in portfolio = 20%For stock B: Beta= .80, standard deviation of random error term = 2.3% and the weight in portfoilio = 50%For stock C: Beta = 1.0, standard deviation of random error term= 1.0% and the weight in portfolio = 30%

About time delivery co. incurred the following costs related to trucks and vans used in operating its delivery service: classify each of the costs as a capital expenditure or a revenue expenditure. 1. changed the oil and greased the joints of all the trucks and vans. 2. changed the radiator fluid on a truck that had been in service for the past four years. 3. installed a hydraulic lift to a van. 4. installed security systems on four of the newer trucks. 5. overhaul the engine on one of the trucks purchased three years ago. 6. rebuilt the transmission on one of the vans that had been driven 40,000 miles. the van was no longer under warranty. 7. removed a two-way radio from one of the trucks and installed a new radio with a greater range of communication. 8. repaired a flat tire on one of the vans. 9. replaced a truck's suspension system with a new suspension system that allows for the delivery of heavier loads. 10. tinted the back and side windows of one of the vans to discourage theft of contents.

The role of the credit department includes: a. evaluating customers' credit applications to determine whether they meet the company's approval standards. b. approving all credit applications in order to avoid losing sales. c. collecting cash from customers. d. following unwritten approval standards for processing customers' credit applications.

True or false entrepreneurs try to meet the needs of the marketplace by supplying a service or product