The ordering cost on a per unit basis is USD $250.$ Monthly demand is $5,000.$ The cost of holding one unit for one month is USD $1.$

How many units should the company order each month and how many orders should it make each year?

$1,581$ orders for each order $/37$ orders per year

$5,477$ orders for each order $/12$ orders per year

$1,581$ orders for each order $/38$ orders per year

$5,477$ orders for each order $/11$ orders per year