customer K|O|S|T|AX|M|ER K|AH|SH|T|AX|M|ER K|O|SH|T|AX|M|ER K|AH|S|T|AX|M|I R K|O|S|T|AX|M|I R K|AH|SH|T|AX|M|I R K|O|SH|T|AX|M|I R one W|O|N who HH|O purchases P|I R|CH|AX|S|AX|Z P|ER|SH|AX|SH|AX|Z P|I R|SH|AX|SH|AX|Z P|ER|CH|AX|S|AX|S P|I R|CH|AX|S|AX|S P|ER|SH|AX|SH|AX|S P|I R|SH|AX|SH|AX|S a commodity K|AX|M|U|D|AX|T|I K|AX|M|AA|JH|AX|T|I K|AX|M|U|JH|AX|T|I K|AX|M|AA|D|AX|T|IH K|AX|M|U|D|AX|T|IH K|AX|M|AA|JH|AX|T|IH K|AX|M|U|JH|AX|T|IH or U|R service SH|ER|V|AX|SH S|I R|V|AX|S SH|I R|V|AX|SH S|ER|B|AX|S SH|ER|B|AX|SH S|I R|B|AX|S SH|I R|B|AX|SH