If the cost to fix during requirements is $200, what is the approximate cost multiplier increase from requirements to testing and from testing to production?

hard🚀 Application Q15 of Q15

Testing Fundamentals - Why Software Testing Matters

A company found that fixing a bug during testing costs $2,000, and fixing the same bug after release costs $20,000. If the cost to fix during requirements is $200, what is the approximate cost multiplier increase from requirements to testing and from testing to production?

ATesting is 5x requirements; production is 20x testing

BTesting is 10x requirements; production is 5x testing

CTesting is 10x requirements; production is 10x testing

DTesting is 20x requirements; production is 10x testing

Step-by-Step Solution

Solution:

Step 1: Calculate testing multiplier
Testing cost / requirements cost = 2000 / 200 = 10x.
Step 2: Calculate production multiplier relative to testing
Production cost / testing cost = 20000 / 2000 = 10x.
Final Answer:
Testing is 10x requirements; production is 10x testing -> Option C
Quick Check:
2000/200=10 and 20000/2000=10 [OK]

Quick Trick: Divide costs stage-wise to find multipliers [OK]

Common Mistakes:

MISTAKES

Mixing up multipliers between stages
Incorrect division order
Assuming multipliers are equal to costs

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If the cost to fix during requirements is $200, what is the approximate cost multiplier increase from requirements to testing and from testing to production?

Step 1: Calculate testing multiplier

Step 2: Calculate production multiplier relative to testing

Final Answer:

Quick Check:

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