In $2014,$ after much news, Amazon raised the price of Prime service by $$20.$ Similarly, Netflix raised the price of its streaming plan by $$1$ in October $2015.$ For either Amazon or Netflix, identify the extent to which the price increase affected subscriptions. Use data such as monthly subscription levels $($and changes from, say, $2013$ to $2016),$ Even if you can't fully execute the analysis, write your basic method, and $3-5$ bullet points listing the nuances and things you would want to control for in order to correctly attribute any observed changes in subscription levels to the price change.