Jan Tuttle Is the Inventory Manager of an Art Supply

Multiple Choice

Jan Tuttle is the inventory manager of an art supply store. She uses a periodic review system for all oil paints. The number of periods between orders (P) for red #69 is 15 workdays. (The store operates 50 weeks/year, 5 workdays/week.) Additional information concerning red #69 follows. Demand = 30 units/workday
Standard deviation of daily demand = 4 units/workday Lead time = 7 workdays
Desired cycle- service level = 85%
A normal table is appended to this exam. What is the target inventory level T for red #69?

A) less than or equal to 550
B) greater than 550 but less than or equal to 600
C) greater than 600 but less than or equal to 650
D) greater than 650