National heaters industries Company LLCs products annual demand is 12,000 units, the ordering cost 15 OMR 6 per order and the holding cost is OMR 2.50 per unit per year, Find out the economic order quantity of the company. O a. 60.56 units O b. 576 units C. 240 units O d. 120.4 units Find out the cost of goods sold from the given data. Opening Stock OMR 140,0XX, Purchase OMR 6,500, Purchase returns OMR 1,000 and closing stock OMR 2,000, O a OMR 3000 O b. OMR 143,500 O COMR 146,500 d. None of the options