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Continue to Chat80% of the life time cost of software occurs after the sale is made https://www.cherryleaf.com/2005/11/80-of-the-life-time-cost-of-software-occurs-after-the-sale-is-made/
80% of the life time cost of software occurs after the sale is made https://www.cherryleaf.com/2005/11/80-of-the-life-time-cost-of-software-occurs-after-the-sale-is-made/