Same problem statement:
Weekly demand for DVD-Rs at a retailer is normally distributed
with a mean of 1,000 boxes and a standard deviation of 150.
Currently, the store places orders to the supplier, with a reorder
point of 4,200 boxes. The order quantity to the supplier is fixed
at 5,000 boxes. Replenishment lead time is 4 weeks, fixed order
cost per order is $100, each box costs the retailer $10, and the
inventory holding cost is 25% per year.
Under...