There are three type of Customer say Classic, Gold and Platinum. Each type get different discount depends of the purchase amount per below table. Create a project which will start once and can do this calculation and number of times user want. Program will terminate once user press 0(Zero). Make use of Interface, most of the OOP concepts. One class should not have more than one responsibility. Project should be extensible. If new discount type is to introduce in future then existing core logic should not break/ not require to change

Purchase Classic(discount) Gold (discount) Platinum(discount) 1-10000 10% 20% 30 % 10001-20000 15 % 25% 35 % 20000 above 20 % 30 % 40%

Print 1. Discount 2. Final