Principles of Economics: "Chapter 15, Section 2 and Chapter 19, Section 1"
Read these sections. Attempt the "Try It" problems at the end of each reading, and then check your solutions with the Answer Keys at the end of each page.
Click https://saylordotorg.github.io/text_principles-of-economics-v2.0/s18-02-financing-government.html link to open resource.