Given a 92% service level on the latest sale of a product X, the company sells a mean of 64 products X, standard deviation is 6, with 784 branches. If the company wanted to replace those 784 branches with a Web site.

What will be the safety stock and total number to be prepared for a in the retail chain? (10%) What will be the safety stock and total number to be prepared in the internet business? (10%)

(Please show steps with formula and calculation)