During 2022 the following purchases were recorded: 45 units at R260 each were purchased on 31 May 2022. 15 units at R265 were purchased on 30 November 2022. 80 gift sets were sold at R380 each during 2022. 3.2 REQUIRED Calculate the economic order quantity (expressed to the next whole number) from the information provided below. INFORMATION The monthly demand of an item is 800 units. The cost per unit is R12 and the unit selling price is R20. The ordering cost amounts to R20 per order and the holding cost per unit is equal to 10% of the unit cost of the item. (5 marks)