IV. Demand for a product is constant at a rate of 20,000 units per year, while the production rate is 30,000 units. Find out the optimal production lot size if the setup cost is $100, and the manufacturing cost per unit is $ 20. Calculate the total cost, the setup cost, and the stockholding cost. If the carrying cost per unit quadruples, how would the lot size be affected? 17 Tho conto ------ modol Theofit Ortese