store, chances are good they were made in asia or south america, where labor costs are cheaper, fred de sam lazaro looked at an old ethical dilemma. can factories pay a living wage and keep costs low enough to stay in business? >> back in the 1990s, cambodia, rebuilding after the khmer rouge years, gave its garment industry a leg up and agreed to fair labor standards with a limit wage rule, unions to represent workers and freedom of expression, all would be open to international inspection. today there, are perhaps 400,000 garment workers and 300 factories in and near the capital, phnom penh. they are factories for retailers in europe and america. cambodia's garment industry has grown into the largest export earner for this country, three out of four come from the garment factories. the key question, how much all of this has benefited workers, almost all of whom are female. many factories have been plagued by labor unrest. occasionally it's been violent. there have been frequent reports of faintings on factory floors, the unions cite unhealthy conditions and workers weak from malnourishment. >> tr