Iron-Bit is a manufacturer of industrial drill bits. The management is concerned about the adequacy of the firms working capital in funding daily operations.

a) The average collection period and average payment period are 35 days and 30 days respectively. The firm turns over its inventory 20 times each year (assume 365 days year), and currently has annual sales of $185 million.

(i) Calculate the firms operating cycle (OC) and cash conversion cycle (CCC), correct to 1 decimal place.

(ii) Determine the amount of resources needed to support the firms cash conversion cycle.

b) Iron-Bit purchases 2 million units per year of a component used in drill bits production. The cost per order is $55, while the carry cost is $6 per unit per year.

(i) Calculate the economic order quantity.

(ii) Using your answer in (i), calculate the ordering cost, carrying cost and total inventory cost.

c) Suppose Iron-Bit operates a 250 days per year, and maintains a minimum inventory level of 1500 units of safety stock. If the lead time to receive orders of the component is 3 days, calculate the reorder point.