QUESTION 2 Ameba Couture is an online clothing wholesaler. In Ameba Couture, members will get a discount based on the point collected with every purchase. The table below shows the credit point and discount rate. You are required to create a program to calculate the price after discount based on the collected point. Credit Point Discount rate 250 5% 500 8% 1000 10% 2500 12% 5000 15% 8000 20% Write a C++ program based on the following requirements: a) Write a function definition named getDiscount (...) that receives credit point through its parameter. This function will return the discount rate as described in the table above. b) Write a function definition named calPayment (...) that receives discount rate and total purchase. This function will return the total price after discount that the member needs to pay through its parameter. c) Write the main program and show how both functions are being called in the main program. Display the result as shown in following example : Ameba Couture Payment Receipt Total Purchase: RM 500 Point Earn: 500 Discount: 0.08 Total Purchase after Discount: RM 460