At what time will the truck start to wait to unload?

Due on 11:59pm, Feb 21st, 2024 Q1. (Inventory Buildup). Gary manages a receiving station for peanuts. Peanuts-filled trucks arrive at the rate 10 every hour from 6:00 am to 6:00 pm. Each truck contains 75 kilograms of peanuts. Gary can process them at a rate of 500 kilograms an hour. The station has room to hold only 2000 kilograms of peanuts in inventory prior to processing. Once this space is filled, the trucks must wait to dump their contents. (a) Draw the inventory buildup diagram. Mark the area corresponding to the total truck driver waiting time in the diagram. (3 points)