1. High Tech, Inc. is a virtual store that stocks a variety of drones in their warehouse. Once customer orders are placed, the order is picked and packaged, and then shipped to the customer. A fixed order quantity inventory control system (FQS) helps monitor and control these SKUs. The following information is for one of the drones that they stock, sell, and ship. Average demand 12.5 drones per week Lead time 3 weeks Fixed ordering cost $300/order $150 Unit cost 0.25 Carrying charge rate Number of weeks 52 weeks per year 3.75 drones Standard deviation of weekly demand SKU service level 95 percent $300/order Selling price Table 1. The inventory management parameters of High Tech, Inc. In other words, the annual inventory holding cost for a drone is 25 percent of the unit cost, that is, 25 percent of $150 per unit per year. The following table provides a list of z values for different values of the service level. Service level 0.9 1.29 0.91 1.34 0.93 1.48 0.95 1.65 0.97 1.88 0.99 2.33 Z If the High Tech, Inc. reviews its inventory continuously and adopts a continuous review policy: a) How many units of drones should the company order each time? b) What level of safety stock of drones should the company carry? c) If the current on-hand inventory is 35 units and scheduled receipts are 30 units, should an order be placed, and if so, for how many units