In April 2018, Amazon.com, Inc. (AMZN) had a share price of $1,460.17. They had 484.97 million sharesoutstanding, and a markettobook ratio of 25.51. In addition, AMZN had $45.15 billion in outstanding debt $3.08 billion in net income (ttm), cash of $30.99 billion, and revenue of $172.87 billion (ttm).

Note: "ttm" denotes trailing 12 months, or, last 4 quarters.

Compute the following for AMZN:

Price-Earnings ratio: (round to 2 decimals)

Price-Sales ratio: (round to 2 decimals)

Net Debt: ($ billions, round to 2 decimals)

Enterprise Value: ($ billions, round to 2 decimals)

Net Profit Margin: (round to 2 decimals)

ROE: (round to 2 decimals)