1. Given a non-negative integer array that is then shuffled and 1 element is removed, find which element was removed. 2. Assume you are designing/writing code for some small business software how would you go about creating a clean, extensible method for calculating sales tax that can be extended easily to work in different parts of the world. 3. (Two separate questions) 3a. Given an integer array, remove the duplicate values and return an integer array 3b. Test a dice role generator method 4. Design a system for tracking employee applicants through the interview process
