The shop sells 8000 cans of Cola a year (365 days) and the cost of keeping one can of Cola is $0.2 a day. The cost of one can of Cola is $2.5. The cost of generating a purchasing order is $50 and the lead time is 2 days. The standard deviation of the daily demand is 3 cans and we want to maintain the chance of running out stock to below 5%. Determine the optimal inventory policy. Determine the optimal inventory policy. (Find EOQ and ROL step by step.)