summary of transactions and balances with the affiliates accounted for by the equity method is presented below: Short-term borrowings at March 31, 2002 and 2001 comprise the following: Substantially all of the short-term borrowings are with banks which have written basic agreements with the Company to the effect that, with respect to all present or future loans with such banks, the Company shall provide collateral (including sums on deposit with such banks) or guarantors immediately upon the bank’s request and that any collateral furnished pursuant to such agreements or otherwise will be applicable to all indebtedness to such banks.  At March 31, 2002, the Company had unused committed lines of credit from short-term financing arrangements aggre- gating ¥513,514 million ($3,861,008 thousand), of which ¥31,314 million ($235,444 thousand) was in support of the Company’s commercial paper. These lines of credit have commitment fee requirements. Thousands of Millions of yen U.S. dollars Year ended March 31 2002 2001 2002 Sales ¥22,164 ¥ 16,450 $166,647 Purchases ¥63,355 ¥122,261 $476,353 Thousands of Millions of yen U.S. dollars March 31 2002 2001 2002 Accounts receivable, trade ¥15,033 ¥ 7,201 $113,030 Other receivables ¥ 3,349 ¥ 4,265 $ 25,180 Accounts payable, trade ¥44,618 ¥30,433 $335,474 Thousands of Millions of yen U.S. dollars March 31 2002 2001 2002 Loans, principally from banks, including bank overdrafts, with weighted-average interest rate of 0.84% at March 31, 2002 and 1.13% at March 31, 2001: Secured ¥ 3,516 ¥ 7,940 $ 26,436 Unsecured 456,510 468,918 3,432,406 Commercial paper with weighted-average interest rate of 0.15% at March 31, 2002 and 5.31% at March 31, 2001 168,693 27,731 1,268,368 Euro yen or U.S. dollar medium-term notes of a subsidiary, with weighted-average interest rate of 0.36% at March 31, 2002 and 0.57% at March 31, 2001 (swapped for floating rate (LIBOR, etc.) or fixed rate U.S. dollar, yen or Euro obligations) 30,135 22,276 226,579 ¥658,854 ¥526,865 $4,953,789 53 8.  SHORT-TERM BORROWINGS AND LONG-TERM DEBT