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My interview coding test

Technical Test - Book Store

An online books store sells books for 3 different categories: Crime, Romance, Fantasy.

Currently all books within the Crime category are discounted by 5%

Total tax for the whole order is 10%

The task

Write a simple console application that outputs the total order cost with and without tax for the below purchase:

Book name Category Total Cost
Unsolved crimes Crime 10.99
A Little Love Story Romance 2.40
Heresy Fantasy 6.80
Jack the Ripper Crime 16.00
The Tolkien Years Fantasy 22.90


  1. The application should be runnable in Visual Studio / Code via F5
  2. The code should be accessible on the public/private Git repo.

Hint:  you could manually calculate your answer first to confirm your logic is sound!


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