The current period statement of cash flows includes the following: Cash balance at the beginning of the period $453,734 Net cash flow from operating activities 189,548 Net cash flow used for investing activities 46,736 Net cash flow used for financing activities 89,012 The cash balance at the end of the period is Oa. $554,270 Ob. $507,534 Oc. $779,030 Od. $317,986