This image shows a CPA finance study note from GevorgCPA.com explaining capital budgeting tools including IRR as the discount rate where NPV equals zero, the Excel IRR function, payback period calculations for even and uneven cash flows using the A plus B divided by C formula, pros and cons of both methods, and how sensitivity analysis tests assumptions by measuring the impact of input changes on NPV, relevant to CPA PEP Finance elective and CFE exams.