In the video interview, Doug Eastman from Deloitte described how he uses sensitivity and scenario analysis in his fundamental valuations, how he identifies the most relevant scenarios, and how he estimates the cost of capital (a topic covered in Module 5). In the forum, discuss one or more of the following questions: What do you consider to be the most challenging variables to predict in a cash flow forecast? Sales, margins, investments, or something else? How should you choose the relevant ranges for your sensitivity analysis? Would you use historical data, your intuition, or something else? How should you choose the relevant scenarios for your scenario analysis? Do you use historical scenarios (e.g. the last recession, the last boom), your intuition, or something else