Gold star co. and silver star co. both manage their cash flows according to the miller orr model. gold star's daily cash flow is controlled between $100,000 and $200,000, whereas silver star's daily cash flow is controlled between $150,000 and $300,000. the annual interest rates gold star and silver star can get are 10 percent and 9 percent, respectively, and the costs per transaction of trading securities are $2,000 and $2,500, respectively. a. what are their respective target cash balances? b. which firm's daily cash flow is more volatile?

Christopher kim, cfa, is a banker with batts brothers, an investment banking firm. kim follows the energy industry and has frequent contact with industry executives. kim is contacted by the ceo of a large oil and gas corporation who wants batts brothers to underwrite a secondary offering of the company's stock. the ceo offers kim the opportunity to fly on his private jet to his ranch in texas for an exotic game hunting expedition if kim's firm can complete the underwriting within 90 days. according to cfa institute standards of conduct, kim: a) may accept the offer as long as he discloses the offer to batts brothers. b) may not accept the offer because it is considered lavish entertainment. c) must obtain written consent from batts brothers before accepting the offer.