Please show all work and formulas, Thank you!

Q3. As an inventory manager, you must decide on the order quantity for an item. Its annual demand is 1,000 units. Ordering costs are $50 each time an order is placed, and the holding cost is 25% of the per-unit price. Your supplier provided the following price schedule. (Total = 8 points) y What ordering - quantity would you recommend? (To receive full credit, please write the formulae for EOQ& total cost, and please show all the calculations \& the computational steps)