Draw a sequence diagram for the following activity:The Buyer initiated an order with a group of items according to the Order class definition below.

public Class Order {

// we do not need the other information here Purchase mySelection = new Selection(items); Payment myPayment; public void confirm()

{ mySelection.review(); mySelection.confirm(); cost = mySelection.getTotalCost(); myPayment = new Payment( paymentMethod, cost); myPayment.verify(); } // . . maybe some more methods }