cost accounting question

Sport Cheque's ordering costs per purchase order are $120. Carrying costs for their new snowboard are $10 per snowboard per year. The annual demand for this snowboard is 20,000 snowboards per year and Sport Cheque is open 360 days per year. REQUIRED: 1 Calculate the Economic Order Quantity (EOQ) for snowboards 2 How many orders would be placed each year for snowboards? 3 Calculate the total ordering costs and total carrying costs. 4 If the purchasing lead time is five days, calculate the reorder point for snowboards