Daytona Race Cars had net income of $50,000 for the year ended 12/31/21, which included depreciation expense of $4,000. It also had the following changes in account balances, according to its balance sheets as of 12/31/20 and 12/31/21: Increase in accounts receivable of $6,000; Decrease in interest receivable of $1,000; Decrease in accounts payable of $2,000. What are Daytona's cash flows from operating activities for the year ended 12/31/21? $57,000 $46,000 $39,000 $47,000