Question 15 1 pts A sandwich shop has an average demand of 700 sandwiches/day with a standard deviation of 400 sandwiches. The lead time from when the order is placed to delivery at the restaurant has averaged 4 days with a standard deviation of 0.5 days. If the restaurant manager wants to keep a safety stock of 100 sandwiches, at what inventory level should the next order be placed? O 175 sandwiches O 275 sandwiches O 2800 sandwiches O 2900 sandwiches 2000 sandwiches O 575 sandwiches O 475 sandwiches