Since the Wii released in November of 2006, it's progressively become a more profitable venture for Nintendo. Not just because it has been constantly flying off retail shelves, but because Nintendo has managed to drastically cut down manufacturing costs during its life, Koya Tabata of Credit Suisse suspects. In fact, Tabata says costs are down a whopping 45%, which could mean Nintendo is banking much more than the previously reported $6.
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