Suppose that the CBC has a soft drink product that shows a constant annual demand rate of $3600$ ?cases. A case of the soft drink costs CBC $3.$ ?Ordering costs are $20$ ?per order and holding costs are $25$ ?per cent of the value of the inventory. CBC has $250$ ?working days per year, and the lead time is five days.

Identify the following aspects of the inventory policy:

$($ a $)$ ?Economic order quantity.

$($ b $)$ ?Reorder point.

$($ c $)$ ?Cycle time.

$($ d $)$ ?Total annual cost.