Tom Szkutak , the chief financial officer , said third-party sales accounted for 28 percent of Amazon.com 's revenue , up from 24 percent a year ago .
Tom Szkutak /business/person/company Amazon.com
NNP NNP , DT JJ JJ NN , VBD JJ NNS VBD IN CD NN IN NNP POS NN , RB IN CD NN DT NN RB .
Tom Szkutak
PERSON
Amazon.com
ORGANIZATION
/business/person/company