a$.$ Which method, direct or indirect, is used in the statement? b$.$ List the principal sources and uses of cash for this firm. c$.$ Evaluate the change in cash. Has the firm generated most of its cash requirements from operations, or has it borrowed extensively? Has the firm's uses of cash been balanced between investments and dividends? d$.$ Have there been significant treasury stock transactions? e$.$ Has the cash balance been increasing or decreasing? What seem to be the implications of this pattern for dividends