Calculating Net Cash Flow from Operating Activities

ABC Technologies Inc. provides the following cash flow statement summary for the year ended December 31, 2023:

Cash Flows from Operating Activities: Net income: $500,000; Depreciation: $100,000; Increase in Accounts Receivable: $50,000; Decrease in Accounts Payable: $20,000.

Cash Flows from Investing Activities: Purchase of Equipment: $200,000; Sale of Investments: $80,000.

Cash Flows from Financing Activities: Issuance of Stock: $150,000; Repayment of Debt: $60,000.

Based on this information, what is the net cash flow from operating activities?