A logistics company has been in business for three years and wants to develop quarterly indices. Inventory quantities for each quarter in these years and th below table. Assuming that the annual inventory quantity for year 4 will be 274 units. Use seasonal index formula of forecasting and calculate Forecast for Note: Write the answer in round figure Inventory Quantities Quarter Year 1 Year 2 Year 3 Average Average Seasonal Quarterly yearly quarterly Index demand demand demand forecast 1 SO 60 40 50 00 0.83 222 2 70 80 60 70 60 1.16 3 90 80 70 60 133 4 40 50 30 40 60 0.66