A. You want to change old inventory ordering system to the just-in-time inventory method. The shareholders and the CEO of the firm would like to know how the new would operate and the benefits and disadvantages of the just-in-time inventory method. By providing a high-quality argument, please explain how the new would operate and its benefits and disadvantages to the shareholders and the CEO of the firm.

B. As a financial manager, you found that capital market is very risky and volatile. Beta () measures market of the firm. The shareholders of your firm, however, heard another firm with negative beta and they are confused now. The shareholders of your firm would like to know if a firm can have a negative beta. If yes, what would the expected return on such a firm be? Why? Please explain your reasoning by providing a quality argument.