Daniel is a self-employed consultant. Until this year he was always an employee. He comes to discuss his new business with you. As his tax accountant, you should:

a. Discuss setting up a good record-keeping system for his new business
b. Discuss the substantiation requirements for meals and entertainment
c. Discuss the self-employment tax, as well as the income tax, on business earnings in order to help Daniel estimate what he might owe in taxes for the year
d. Discuss the rules for deducting automobile expenses
e. Discuss all of the above