Create a class called Customer as shown in the following class diagram. It contains: Customer - custName:String = - amount: float = 0 "" + Customer() + Customer (custName: String, amount: float) + getCustName (): String + setCustName (custName: String):void + getAmount (): float + setAmount (amount: float):void + addGST (): float Two private instance variables: custName (of type String) and amount (of type float), with default value of "" and 0, respectively. Two overloaded constructors to initialize instance variables. Four public get and set methods: getCustName, setCustName, getAmount, and setAmount. One public method called addGST that returns the value after added in 6% to the original amount.