Considering Amazon's Return on Invested Capital (ROIC) below, please provide a overview of the company's strengths and weaknesses (if any), reasons for the strength/weakness (if any), and reccomendations.
2015
Return on Invested Capital = (Net Income – Dividend) / Invested Capital (65,444 - 33,899) / 233 = 7.08%
2016
Return on Invested Capital = (Net Income – Dividend) / Invested Capital (83,402 – 43,816) / 4186 = 10.57%