“…Shinn, Hwang and Sung [24], Chu, Chang and Lan [25], Chung, Chang and Yang [26] also entered Goyal's model for the case of deteriorating items. Other notable works in this direction come from Davis and Gaither [27], Mandal and Phaujder [28], Aggarwal and Jaggi [29], Chang and Dye [30], Salmeh, Abboud, Ei-Kassar and Ghattas [31], Chung and Lio [32], Sana and Chaudhuri [33] etc. Recently, Khanna, Ghosh and Chaudhuri [23] developed an EOQ model for a deteriorating item with quadratic demand rate under permissible delay in payment.…”