Zook Incorporated had net income for 2018 of $4,000,000. Additional information is as follows: Amortization of patents $ 45,000 Depreciation on plant assets $1,650,000 Long-term debt: Bond premium amortization $65,000 Interest paid $900,000 Provision for doubtful accounts: Current receivables $80,000 Long-term nontrade receivables $30,000 What should be the net cash provided by operating activities in the statement of cash flows for the year ended December 31, 2018, based solely on the above information