Consider a beverage vending machine with the following behavior: the machine allows a customer to make a beverage selection once a beverage has been selected, it displays the cost of the beverage and accepts money for the purchase when enough money has been inserted, the machine dispenses the beverage and returns any necessary change if the customer cancels the transaction before the beverage has been dispensed, the machine returns any money that was inserted Draw a UML state diagram including states as necessary along with transitions between them to represent the behavior of the vending machine