Amazon.com Inc.'s Japan unit was ordered by the country's consumer watchdog Wednesday to take preventive measures against misleading "reference prices" on its retail site that could lead customers to wrongly conclude that the products offered are bargains.The online shop run by Amazon Japan K.K. displayed reference prices along with substantially lower sale prices for products such as Japanese sweet sake and vehicle brake oil, making the products appear to be bargains, but the reference prices were actually higher than the products' sticker prices, according to the Consumer Affairs Agency.T…READ FULL ARTICLE