Here is selected financial statement data regarding a company's balance sheet.

	Dec. 31, 2018	Dec. 31, 2017
Assets
Investments, long-term	$ 14,000,000	$ 10,000,000
Liabilities and Stockholders' Equity
Bonds payable	$ 10,000,000	$ 4,000,000
...
Common stock	800,000	800,000
Paid-in capital in excess of par value	120,000	120,000
Retained earnings	1,800,000	1,470,000
Total stockholders' equity	2,720,000	2,390,000

During the year, the company sold investments with an original cost of $2,000,000 for $2,400,000.

In the statement of cash flows, the significant non-cash activities section should show a significant non-cash activity for $  ______