Find to the nearest whole number, the optimum number of batches of an item that should be produced annually (in order to minimize cost) if 80,000 units are to be made, it cost $3 to store a unit for one year, and it costs $380 to set up the factory to produce each batch.
A.15 batches b. 13 Batches C 18 batches D 20 batches
Can someone help me