Highland industries inc. makes investments in available-for-sale securities. selected income statement items for the years ended december 31, year 2 and year 3, plus selected items from comparative balance sheets, are as follows:

there were no dividends.

determine the missing items. if required, use the minus sign to indicate a net or operating loss, unrealized losses, or a credit balance in the valuation allowance account.

highland industries inc.
selected income statement items
for the years ended december 31, year 2 and year 3
year 2 year 3
operating income (loss) $ $
gain (loss) from sale of investments 5,080 (10,160)
net income (loss) $ $(13,970)
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highland industries inc.
selected balance sheet items
december 31, year 1, year 2, and year 3
dec. 31, year 1 dec. 31, year 2 dec. 31, year 3
assets
available-for-sale investments, at cost $99,060 $86,360 $120,650
valuation allowance for available-for-sale investments 6,350 (7,620)
available-for-sale investments, at fair value
stockholders' equity
unrealized gain (loss) on available-for-sale investments (8,890)
retained earnings $208,280 $294,640 $