The cash flow statement is one way to evaluate how a business is doing. Managers also need to evaluate: The cash flow statement is one way to evaluate how a business is doing. Managers also need to evaluate: The balance sheet and income statement to gain enough information to make valid business decisions. The balance sheet so they know how much cash they have to work with and how much debt they owe. The income statement, as keeping sales high and expenses low is the main goal of a business