Question: Post Card Depot, an large retailer of post cards, orders 3,116,810 post cards per year from its manufacturer. Post Card Depot plans on ordering post card 6 times over the next year. Post Card Depot receives the same number of post cards each time it orders. The carrying cost is $0.07 per post card per year. The ordering cost is $425 per order.
What is the annual total costs of post card inventory?