What new information or concept did you learn while going through the material for Week $2?$ What did you already know about the information or concepts covered in Week $2?$ What did you find to be the most difficult concept to understand?

Note: this week reading is Cost$-$Volume$-$Profit Analysis and it covers

How to calculate a Break$-$Even Point in Units and Dollars

Perform Break$-$Even Sensitivity Analysis for a Single Product Under Changing Business Situations

Perform Break$-$Even Sensitivity Analysis for a Multi$-$Product Environment Under Changing Business Situations

Calculate and Interpret a Company$$s Margin of Safety and Operating Leverage