The Anderson family wants to look at their cash flow over a year. They decide to write out their cash flow for 4 months as given in the spreadsheet below. In which of the months did they have the greatest net cash flow? A 5-column spreadsheet showing cash inflows and outflows over a year. Total cash inflow: January, 2,760 dollars; April, 3,060 dollars; August, 2,760 dollars; December, 2,900 dollars. Total cash outflow: January, 2,435 dollars; April, 2,675 dollars; August, 2,670 dollars; December, 3,000 dollars. a. January b. April c. August d. December