Roy has a business of selling paper products. He sees a dally demand that has some variability, given by a mean of 150 and standard deviation of 15 . His supplier is moderately reliable, with a mean lead time of 3 days, and standard deviabion of 1 day. Roy birys his products from his supplicrs at 53 a piece and sells them at $5 a plece. Unsold paper products are carried forward at a holding cost of 10 b per year, Roy monitors his inventory periodically, once every weck. For Roy, the appecopiate inventory model is zoa Mode Ouhisodel Newwendor Modei (0.t) Model Question 20 What is thee about the OUL. Model, that is not true about the (Q) Model? Inad time cas be variatie demand can the varabe Vereritiory h menit ored continanuly Hweritory is moritared afier a fierd interval of time