Write the next sentence in the following story.

How to buy commercial notes
Open an account with a brokerage firm.
Commercial paper is rarely issued directly to individual investors, so you will need to do business with a broker in order to make a purchase. You can choose from a full-service brokerage firm or a no-frills online broker; both will allow you access to commercial notes.

Pick from: a). If you don't already have an account with a stockbroker, consider avoiding commercial notes for a while. This type of debt is unsecured, and thus shouldn't be used as the foundation of an investment portfolio.. b). The broker may also provide a business flash card or a business credit card. Verify the goods or services they provide.. c). Go to the company website and type in your social security number and email address. This should open a web browser that automatically gives you access to the company website.. d). If you are in the 70's, you can buy commercial street notes at around $10 a penny or $15 a day. If you're in the 90s, you'll likely save money on traditional direct deposit... The answer should be
a).