Journal of Applied Sciences1812-56541812-5662Asian Network for Scientific Information10.3923/jas.2004.439.443HuangYung-Fu 3200443In present study, the model of Huang has been modified and discussed with retailer`s ordering policy under conditions of cash discount and trade credit. Mathematical model has been modified for obtaining the optimal cycle time and optimal payment policy for item under cash discount and trade credit so that the annual total cost is minimized. Then, a theorem is provided to efficiently determine the optimal cycle time and optimal payment policy. Finally, a numerical example is solved to illustrate the results obtained.]]>Goyal, S.K.,1985363538Chung, K.J., 1998254952Aggarwal, S.P. and C.K. Jaggi,199546658662Chang, H.J., C.Y. Dye and B.R. Chuang,2002127384Liao, H.C., C.H. Tsai and C.T. Su,200063207214Sarker, B.R., A.M.M. Jamal and S. Wnag,2000275975Jamal, A.A.M., B.R. Sarker and S. Wang,199748826833Chang, H.J. and C.Y. Dye,200132345352Chang, H.J., C.H. Hung and C.Y. Dye,200112274282Chen, M.S. and C.C. Chuang,1999162334Hwang, H. and S.W. Shinn,199724539547Jamal, A.M.M., B.R. Sarker and S. Wang,2000665966Sarker, B.R., A.M.M. Jamal and S. Wang,200011380390Teng, J.T., 200253915918Chung, K.J., Y.F. Huang and C.K. Huang,200239327340Khouja, M. and A. Mehrez, 199615334349Shinn, S.W. and H. Hwang,2003303550Chung, K.J. and Y.F. Huang, 200384307318Huang, Y.F.,20035410111015Huang, Y.F. and K.J. Chung, 200320177190Huang, Y.F.,20044439443