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A bug found during coding costs $100 to fix. If fixing it during testing costs 5 times more, and during maintenance 10 times more, what is the cost to fix it during maintenance?

medium📝 Predict Output Q4 of 15
Testing Fundamentals - Why Software Testing Matters
A bug found during coding costs $100 to fix. If fixing it during testing costs 5 times more, and during maintenance 10 times more, what is the cost to fix it during maintenance?
A$50
B$500
C$1000
D$1500
Step-by-Step Solution
Solution:

  1. Step 1: Identify base cost and multipliers

    Base cost during coding = $100; testing cost = 5 * 100 = $500; maintenance cost = 10 * 100 = $1000.

  2. Step 2: Calculate maintenance cost

    Maintenance cost = 10 times coding cost = $1000.

  3. Final Answer:

    $1000 -> Option C

  4. Quick Check:

    Maintenance cost = 10 * coding cost = $1000 [OK]
Quick Trick: Multiply base cost by stage factor [OK]
Common Mistakes:
  • Multiplying by 15 instead of 10
  • Choosing testing cost instead of maintenance
  • Confusing $50 as cheaper cost

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