Annual Report 2003 39 Millions of yen Acquisition cost Book value Difference Book value exceeding acquisition cost: Equity securities ¥10,215 ¥19,906 ¥ 9,691 Debt securities Government and municipal bonds 1,068 1,074 6 Corporate bonds 674 677 3 Other 2,636 2,637 1 Other 6,505 6,575 70 Sub-total 21,098 30,869 9,771 Book value not exceeding acquisition cost: Equity securities 14,714 13,624 (1,090) Debt securities Government and municipal bonds 1,998 1,972 (26) Corporate bonds 15,955 15,921 (34) Other 4,450 4,445 (5) Other 198 172 (26) Sub-total 37,315 36,134 (1,181) Total ¥58,413 ¥67,003 ¥ 8,590 (b) As of March 31, 2002: