(b) Marketable securities classified as other securities as of December 31, 2008 and 2007 were summarized as follows: Millions of yen December 31, 2008 Acquisition cost Carrying value Unrealized gain (loss) Securities whose carrying value exceeds their acquisition cost: Stock ................................... \3,314 \5,933 \2,618 Securities whose acquisition cost exceeds their carrying value: Stock ................................... 4,530 3,460 (1,070) Total ........................................ \7,845 \9,393 \1,548 Thousands of U.S. dollars December 31, 2008 Acquisition cost Carrying value Unrealized gain (loss) Securities whose carrying value exceeds their acquisition cost: Stock ................................... $36,413 $ 65,180 $28,767 Securities whose acquisition cost exceeds their carrying value: Stock ................................... 49,773 38,014 (11,758) Total ........................................ $86,186 $103,195 $17,008 Millions of yen December 31, 2007 Acquisition cost Carrying value Unrealized gain (loss) Securities whose carrying value exceeds their acquisition cost: Stock ................................... \6,800 \16,396 \9,595 Securities whose acquisition cost exceeds their carrying value: Stock ................................... 973 802 (170) Total ........................................ \7,773 \17,198 \9,424 (c) Sales of securities classified as other securities amounted to \205 million (U.S.$2,256 thousand) with a gain of \36 million (U.S.$402 thousand) for the year ended December 31, 2008 and \3,407 million with a gain of \2,568 million for the year ended December 31, 2007. (d) Other securities without market value as of December 31, 2008 and 2007 were as follows: Millions of yen Thousands of U.S. dollars 2008 2007 2008 Investments in unconsolidated subsidiaries and affiliates ........... \2,348 \2,315 $25,798 Other securities: Unlisted securities ................... 1,142 1,153 12,551 Other ...................................... 446 526 4,903 5. Inventories Inventories at December 31, 2008 and 2007 were as follows: Millions of yen Thousands of U.S. dollars 2008 2007 2008 Merchandise and finished products ... \12,116 \10,816 $133,102 Semi-finished goods .................... 1,850 1,824 20,326 Work in process .......................... 578 455 6,351 Raw materials and supplies ......... 4,807 4,283 52,812 \19,352 \17,379 $212,593 6. Property, Plant and Equipment Property, plant and equipment at December 31, 2008 and 2007 were summarized as follows: Millions of yen Thousands of U.S. dollars 2008 2007 2008 Land ........................................... \18,006 \18,180 $197,806 Buildings and structures .............. 19,345 20,857 212,517 Machinery, equipment and other... 25,550 28,148 280,681 Construction in progress ............. 2,223 1,549 24,427 Lease assets ................................ 60 . 665 \65,186 \68,736 $716,099 7. Impairment Loss on Property, Plant and Equipment The Company and its consolidated subsidiaries have recognized impairment losses on the following classes of assets for the years ended December 31, 2008 and 2007: December 31, 2008 Location Major use Category Millions of yen Thousands of U.S. dollars Minato ward, Nagoya city Idle Buildings, machinery and equipment \269 $2,959 Takaoka city, Toyama Acrylic polymer production facility Buildings, machinery and equipment 267 2,939 Mihara city, Hiroshima Idle Land and buildings 107 1,184 Singapore Acrylic acid ethyl ester production facility Machinery and equipment 29 326 Total \674 $7,410 December 31, 2007 Location Major use Category Millions of yen Takaoka city, Toyama Idle Buildings \1,073 Mihara city, Hiroshima Idle Land and buildings 700 Singapore Acrylic acid ethyl ester production facility Machinery and equipment 620 Total \2,394 The Company and its consolidated subsidiaries have grouped business-use assets according to the minimum independent cash-flow-generating unit and have identified idle assets as one group for the purpose of accounting for impairment of property, plant and equipment on an individual basis. When there is profitability decrease, no specific plan for future use or the book value of such idle assets is less than their respective recoverable amounts, the book value of assets is written down to its recoverable amount. The assets listed in the above tables were written down to their respective recoverable amounts and \674 million (U.S.$7,410 thousand) and \2,394 million of impairment loss were recognized in the statements of income for the years ended December 31, 2008 and 2007, respectively. These losses were reported as other expenses. The impairment loss consisted of \311 million (U.S.$3,426 thousand) for buildings, \176 million (U.S.$1,935 thousand) for machinery and equipment, \78 million (U.S.$864 thousand) for other, \123 million (U.S.$1,361 thousand) for gain on sales of land, \121 million (U.S.$1,329 thousand) for loss on disposal of buildings, \110 million (U.S.$1,217 thousand) for removal cost for the year ended December 31, 2008 and consisted of \1,162 million for buildings, \386 million for structures, 34 Annual Report 2008