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Which of the following is a key reason Splitwise tests its financial logic?

easy📝 Conceptual Q2 of 15
LLD - Design — Splitwise (Expense Sharing)
Which of the following is a key reason Splitwise tests its financial logic?
ATo prevent incorrect debt calculations between users
BTo improve app color schemes
CTo add more social media sharing features
DTo speed up photo uploads
Step-by-Step Solution
Solution:

  1. Step 1: Identify what financial logic controls in Splitwise

    It manages how debts and credits are calculated among friends.

  2. Step 2: Recognize the importance of preventing calculation errors

    Incorrect debt calculations can cause confusion and mistrust.

  3. Final Answer:

    To prevent incorrect debt calculations between users -> Option A

  4. Quick Check:

    Preventing debt errors = To prevent incorrect debt calculations between users [OK]
Quick Trick: Testing avoids wrong debt numbers between users [OK]
Common Mistakes:
  • Mixing financial logic with UI or social features
  • Assuming testing affects unrelated app functions

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