Riex Blocks – “Hastang gahi a” specialized in the manufacturing of high-rise CHB (concrete hollow blocks). The company makes a semi-annual order for 2,400 sacks of cement at a unit price of 250.00. Its carrying cost per year is estimated at 7% of the price of concrete block. While the cost of preparing a requisition, a purchase order and receiving tickets, stocking the items when they arrive m processing the supplier’s invoice and remitting the payment to the supplier is 145 per order per year. What is the economic order quantity? and how many orders should be made each year?