5. Scuba Company is an internet firm that has experienced a period of very rapid growth in revenues over the period 2013-2016. The cash flow statements of Scuba Company are as follows: 12 Months Ending In Millions of U.S. Dolls 12/31/2016 12/31/2015 12/31/2014 12/31/2013 Net income $4,000 $3,000 $1,500 $400 Deprecaton expense 1000 600 300 150 Changes in working capital 600 50 50 (250) Cash from operating activties $5,600 $3,650 $1,850 $300 Captal expenditures $13.600) $17.000) $(3.300) $12,000) Cash from investing activities $13.600) $17.000) $63.300) $12,000) Interest and fnancing cash flow items $ 400 $ 600 $ 0 $ 5 Total cash dividends pald 0 Issuance (retirement) of stock 24 2,400 4,400 1,200 Issuance (retirement) of debt 0 (2) (5) Cash from financing activities $ 424 $3,000 $4,398 $1,200 Net change in cash $2,424 $(350) $2,948 $(500) 0 0 0 0 a. Is Scuba company generating positive cash flow from its operations? b. How much did Scuba invest in new capital expenditures over the last four years? c. Describe Scuba's sources of financing in the financial markets over the last four years