i just meed A-H answers the last person to help me with this just gave me formulas that were not helpful at all

20. Given the following information for a purchased part, compute the (a) EOQ, (b) total purchase cost, (c) annual holding cost, (d) annual order cost, (e) annual total cost, (f) reorder point, (g) number of orders placed per year, and (h) time between orders. Use Microsoft Excel to plot the cost curves (annual holding cost, annual order cost, and annual total cost) on the vertical axis and the order quantity on the horizontal axis