Why is a Japanese firm apologising for upping prices?
Japan has been battling deflation - falling prices - for two decades now.
Earlier this year, the Japanese central bank lowered interest rates to below zero, in an attempt to push prices up, but it didn't work.
The BBC's Asia business correspondent, Karishma Vaswani, takes a look at Japan's price problems.
26 May 2016
- From the section Business