20.1 Commercial Paper Chevron sells commercial paper to interested institutional investors. Go to the Chevron web site at www.chevron.com, follow the "Investors" link and the "Commercial Paper" link. What is the credit rating for Chevron’s commercial paper? Now follow the link for the commercial paper and find the "Offering Memorandum" link. What is the minimum size Chevron will sell? What size do they request for one- to four-day commercial paper?

20.2 Commercial Paper Rates What are the highest and lowest historical interest rates for commercial paper? Go to www.economagic.com and follow the "Interest Rates" link. Find the highest and lowest interest rates for one-, two-, and three-month nonfinancial commercial paper over the time reported. When did they occur?

20.3 ACH Services One provider of float reduction services is ePayment Systems. You can find their web site at www.epaymentsystems.com. Follow the "Services" link and then the "Electronic Check Conversion" link. What does an electronic check conversion accomplish? How does the system work? How long does it take for the funds to be deposited in the merchant’s account?