Macroeconomics
Business Finance
username: plpham2@usfca.edu
Password: Tranbaoquang11
Click on the Fall 2019-Econ112-Principles of Macroeconomic
From there you will see a category named Classes- Complete Chapter 5,9,10,21 and 12 click begin ( it should take roughly 1hour40mins and worth up to 250 points in total for each of the chapters )
You can also access to the e-book