You are given the class definition for CashRegister. One of the member functions of this class is get_total(), which returns a double that represents the register total for the object. Furthermore, you have set up and allocated an array of CashRegisterobjects. Given the declaration of the array all_registers below, which code snippet correctly calls the get_total() function on every object in the all_registers array and uses it to calculate the largest total over all registers (the maximum value of all individual register totals)