The information are as follows: Cash collections from customers $ 770 Purchase of used equipment 350 Depreciation expense 200 Sale of investments 450 Dividends received 122 Interest received 195 Required: Based on the above information, compute net cash flow from investing activities under GAAP. (Negative net cash amount should be indicated with minus sign. Omit the "$" sign in your response.) Net cash provided by (used for) investing activities $