Please use FORECAStING MODEL to forecast 24 month! High Tech Inc. is a virtual store that stocks a variety of calculators in its warehouse. Customer orders are placed; the orders are picked and packaged; and then orders are shipped to the customer. A fixed-order-quantity inventory control system helps monitor and control these SKUs. The following information is for one of the calculators that High Tech stocks, sells, and ships. Average Demand: 12 calculators per week Lead time: 3 weeks Order cost: $20/order Unit cost: $8.00 Carrying charge rate: 0.15 Standard deviation of weekly demand: 3.00 calculators SKU service level: 90% Current on-hand inventory: 35 calculators Scheduled receipts: 20 calculators Backorders: 2 calculators