An Asahi Shimbun column last May carried an Osaka reader's tip on how to save small change at McDonald's.
A 59 yen hamburger at the time came to 61 yen with the 5 percent consumption tax.
But the cost of two burgers purchased together came to 123 yen, based on a calculation that figures the tax in fractional terms. To buy two burgers separately, the price would only be 122 yen.
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