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Google raising price of YouTube Premium to $13.99 per month
(9to5google.com)
This is a most excellent place for technology news and articles.
Similar to rocket science, there are mathematical formulas you can use to analyze how many buyers there will be for a product at a given price point. Clearly Google did the math and found that this was the optimal amount to raise the price to without losing too many subscribers and that it would result in an increase in overall profit.