You are the instructor of a one-day tax seminar to inform international students studying business in the United States about the current tax system.

You are preparing a background report to help you prepare for the seminar. The report will include information about programs supported by tax revenue, the type of tax structure in the United States, primary and secondary sources for tax research, and a detailed ex of the cash basis for tax purposes.

You are preparing the ex to describe the cash basis to your students but need to detail the information in the report to be able describe it in the presentation.