Access the February 11, 2016 filing of the December 31, 2015, 10-K report of Google Inc. and complete the following requirements.

Compute or identify the following profitability ratios of Google Inc. for its years ending December 31, 2015 and December 31, 2014. Interpret its profitability using the results obtained for these two years.

1. Profit margin ratio.

2. Gross profit ratio.

3. Return on total assets (Only find the ratio for 2015).

4. Return on common stockholders equity (Only find the ratio 2015).

5. Basic net income per common share.

Link to filing data: https://www.sec.gov/cgi-bin/viewer?action=view&cik=1288776&accession_number=0001652044-16-000012&xbrl_type=v