=+2 A new manager at DiamondSoft has suggested that the company use the EOQ model to determine the optimal batch size to produce. (To use the EOQ model, DiamondSoft needs to treat the set-up cost in the same way it would treat ordering cost in a traditional EOQ model.) Determine the optimal batch size and number of batches. Round up the number of batches to the nearest whole number. What would be the annual cost of producing and carrying earbuds in inventory if it uses the optimal batch size?