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How We Calculate ROI
Our ROI calculator considers three cost components:
- Direct costs: Exam fee and study materials (courses, books, practice tests)
- Opportunity cost: The value of time spent studying, calculated as study hours multiplied by your hourly rate
- Salary gain: The difference between your expected post-certification salary and your current salary
ROI is calculated as: (Annual Salary Gain - Total Investment) / Total Investment x 100
Payback period shows how many months of the salary increase it takes to recoup your total investment.