can someone help me with this question please? would like step by step explanations if possible.

Maithew Lotine's Dream Store sels water beds and assorted supplies. His bosts selling bed has an annual demand of 410 units. Ordering cost is $37; holding cost is $5 per unit pec year a) To minimize the total cost, haw many units should be crdered each time an order is ploced? EOQ= units (round your response to the nearest whole number). b) If the holding cost per unit was $6.00 instead of $5, what would the optimal onder quantlly be? New EOQ = units fround your response to the newest wholo number)