Consider the summary financial information (in millions) from the Statement of Cash Flows for the following three companies:

Statement of Cash Flows	Company A	Company B	Company C
Net Income	$10	$10	$10
Cash provided by Operating Activities	$9	$8	$7
Cash provided by Investing Activities	$3	($8)	($8)
Cash provided by Financing Activities	($2)	$3	$2

From this information alone, which company has the most questionable earnings quality?

Company A

Company B

Company C

There is no way to infer any conclusions from the information given.

The answer is company c. But why?