Authentic Thai rattan chairs are delivered to Gary Schwartz's chain of retail stores, called The Kathmandu Shop, once a year. The reorder point, without stock, is 200 chairs. Carrying cost is $40 per unit per year, and cost of a stock out is $70 per chair per year. Given the demand probabilities during the lead time, how much safety should be carried? DEMAND DURING LEAD TIME PROBABILITY
0 0.2
100 0.2
200 0.2
300 0.2
400 0.2