The carrying amount, gross unreal- ized gains, gross unrealized losses and estimated fair value of the available-for-sale securities by major security type at March 31, 2000 and 1999 are summarized as follows: Carrying amount 2000 Gross Gross unrealized unrealized gains losses (Millions of...
36 5. Investments in debt and equity securities The cost, gross unrealized gains, gross unrealized losses and estimated fair value of the available-for-sale securities by major security type at March 31, 2002 and 2001 are summarized as follows: Marketable securities: Corporate de...