Fact pattern: kollar corp.’s transactions for the year ended december 31, year 6, included the following: purchased real estate for $550,000 cash borrowed from a bank sold available-for-sale debt securities for $500,000 paid dividends of $600,000 issued 500 shares of common stock for $250,000 purchased machinery and equipment for $125,000 cash paid $450,000 toward a bank loan reduced accounts receivable by $100,000 increased accounts payable by $200,000 kollar’s net cash used in investing activities for year 6 was