A small firm had revenues of $$70,000$ and expenses of $$50,000$ in the first quarter of $2024.$ There were no depreciation expenses. Its accounts receivable decreased from $$20,000$ to $$19,000,$ while its accounts payable increased from $$8,000$ to $$10,000.$ Using this information, indicate net cash flow for the firm for the first quarter of $2024.$