7. LONG-TERM RECEIVABLES The Company also has gross receivables and other assets in the amount of ¥7,132 million ($59,433 thousand) and ¥7,615 million at March 31, 2003 and 2002, respectively, from Karunaphuli Fertilizer Company Limited ("KAFCO"), a Bangladesh company, and its relat- ed parties as follows. In March 2001, KAFCO, its shareholders and banks reached a basic agreement about financial restructuring under the supervision of the Bangladesh government and KAFCO has start- ed making payments based on the schedule defined in the financial restructuring plan. Long-term receivables at March 31, 2003 and 2002, include receivables of ¥3,986 million ($33,217 thousand) and ¥8,153 mil- lion, respectively, from Nigerian National Petroleum Corporation ("NNPC") relating to services performed by the Company in 1995. The Company has negotiated payment terms with NNPC and had collected ¥4,047 million ($33,725 thousand) during the year ended March 31, 2003, but the repayment schedule of the remaining bal- ance is not determined due to the economic and political circum- stances in Nigeria. Short-term bank loans bear interest at rates ranging from 1.625% to 7.65% and from 1.625% to 7.95% at March 31, 2003 and 2002, respectively. Short-term bank loans at March 31, 2003 and 2002, consisted of the following: Long-term debt at March 31, 2003 and 2002, consisted of the following: Subordinated loans in the amount of ¥10,000 million ($83,333 thousand) from The Bank of Tokyo-Mitsubishi, Ltd. were included in ’Uncollateralized’ at March 31, 2003 and 2002. Long-term loans from banks and insurance companies, maturing serially through 2010,  with interest rates ranging from 0.9% to 6.9% (2003) and from 0.9% to 6.9% (2002): Collateralized ................................................................................................................ ¥ 664 ¥ 962 $ 5,534 Uncollateralized ............................................................................................................ 10,021 10,499 83,508 Total .................................................................................................................... 10,685 11,461 89,042 Less current portion .......................................................................................................... (263) (789) (2,192) Long-term debt, less current portion ................................................................................. ¥ 10,422 ¥ 10,672 $ 86,850 Millions of Yen 2003 2002 Thousands of U.S. Dollars 2003 Collateralized.................................................................................................................... ¥ 3,140 ¥ 3,135 $ 26,167 Uncollateralized ................................................................................................................ 4,799 13,532 39,991 Total ................................................................................................................................. ¥ 7,939 ¥ 16,667 $ 66,158 Millions of Yen 2003 2002 Thousands of U.S. Dollars 2003 Prepaid expenses and other .............................................................................................. ¥ 41 ¥ 49 $ 342 Investments in and advances to unconsolidated subsidiaries and associated companies..... 2,873 2,904 23,942 Allowance for investment loss........................................................................................... (263) (2,192) Long-term receivables ....................................................................................................... 4,218 4,662 35,150 Allowance for doubtful accounts ...................................................................................... (1,031) (640) (8,592) Total ................................................................................................................................. ¥ 5,838 ¥ 6,975 $ 48,650 Millions of Yen 2003 2002 Thousands of U.S. Dollars 2003 8. SHORT-TERM BANK LOANS AND LONG-TERM DEBT 36