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 Purchased machinery and equipment for $125,000 cash Sold available-for-sale debt securities for $500,000 Paid $450,000 toward a bank loan Paid dividends of $600,000 Reduced accounts receivable by $100,000 Issued 500 shares of common stock for $250,000 Increased accounts payable by $200,000 Kollar's net cash used in financing activities for Year 6 was $500,000 $50,000 $250,000 $450,000