Two-storage fuzzy inventory model with time dependent demand and holding cost under acceptable delay in payment
If we observe a real business market, the demand for items in each cycle is not in the Pentair OptiFlo Parts same pattern, that is, for specific business cycle it may increase, stable or decrease (for instance, cool drinks from end stage of the summer to winter; the demand goes on decreasing, and from the end of winter to peak time of summer; the d