Salesman can select list by pressing the button as follows: "the return (to go to the main menu.)", "(to be open)", "(to show a list of bills)", "Cancel (to cancel the Bill.)
Salesman can do by hitting the "back (to go to the main menu)", "building (to open new sales)," "Show (to display a list of the Bill)", "Cancel (to cancel. Bills)
Salesman can choose to do list by pressing, as follows: "back to the main menu ()",. "Build (to open the new sales.)",. "Show (to display a list of the bill)." "Cancel to cancel (bill).