Summing the Statement. The cash balance increased by \(\$ 20,000\), cash flow from financing activities was negative by \(\$ 15,000\), and cash flow from operations was positive by \(\$ 50,000\).

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Which of the following is (are) correct?

(a) Cash paid for purchases of investing assets must have exceeded cash from sales of investing assets by \(\$ 15,000\).

(b) The company must have been profitable.

(c) Depreciation expense must have been greater than net income.

(d) Cash flow from investing activities must have been negative by \(\$ 55,000\).

(e) The sum of operating, financing, and investing activities was \(\$ 20,000\).