Need entire solution with all steps

Problem IC. t A manufacturer requires 600 printed circuit boards per year and estimates an ordering cost of Rs 20 per order. Carrying cost is defined at approximately 10% of acquisition cost. The acquisition cost of the printed circuit boards is Rs 144 per unit. i) What is the Economic Order Quantity? ii) What is the total annual material cost of inventory? iii) If a new supplier offers the acquisition cost of printed circuit boards at Rs 135/ per piece, if a year's requirement is purchased in one lot. Should one purchase from the new supplier