Customer-perceived value is defined as a customer's evaluation of the perceived difference between all the benefits and all the costs of a market offering relative to those of competing offers

________ can bring together international buyers and sellers of standardized commodities like coffee and grains

A) A manufacturers' agent B) An export and import broker C) A freight forwarder D) A sogo shosha

External data sources present problems for data quality because:

A) data are not always available. B) there is a lack of control over data quality. C) there are poor data capture controls. D) data are unformatted.