Your question is Explain Testing Rationale. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Why do companies want to test software, and what kinds of testing would the company use? Calculate the testing cost, compare it to the budget and give a recommendation; then debug a code snippet.
Asked in the power_day_case stage. This is a practical exercise requiring testing rationale, cost analysis, a budget-based recommendation, and hands-on debugging.