define the class bankaccount to implement the basic properties of a bank account. An object of this class should store the following data: Account holder's name (string), account number
(int), account type (string, checking/saving) balance (double) and interest rate (double). (Store interest rate as a decimal number.) Add appropriate member functions to manipulate an object. Use a static member in the class to automatically assign account
nubmers. Also declare an array of 10 components of type bankAccount ot process up to 10 customers and write a program to illustrate how to use your class. Insert comments to document your program , Program must be implemented and run as instructed, Class Implementation