Need well defined and detailed solution to all parts

Problem IC1** Graphical explanation of EOQ Model An organization steadily consumes 63,000 units of item M in one year. The price of this item is Rs 5 per unit. The annual cost of holding material in stock is 20% of its purchase price. Average quantity held in stock throughout the year is equal to half the quantity purchased per order. The cost of procurement is Rs 1000 per order. Establish graphically the exact quantity in which material should be purchased to minimize the total annual stocking cost