A warehouse, just outside of Montreal, gets a daily shipment of a USB connector product. The daily demand of this product is 1100. The products are first placed in storage (waiting stage) at the entrance of the warehouse where on average there are 320 products. A Receiving clerk picks the products from storage and verifies them (assure quality stage). It takes the clerk 0.01 days to verify each product. Then the products are sorted and packaged (sorting stage) into three streams: Ottawa (20% of products), Laval (30% of products), and Montreal (50% of products). On average, there are 380 products being sorted. After, three shipping stations load the products into trucks heading to each location respectively (Montreal, Laval, and Ottawa). The loading stage takes 0.004, 0.01 days, and 0.08 days for the destination of Montreal, Laval, and Ottawa respectively for each product (last stage of process). Use the above information to answer the questions below (always choose the closest answer):

Please provide detailed explanation and formula

On average, how many products are in inventory at the Montreal shipping station?

Answer is 2.2

On Average, how many hours does a product spend in the warehouse (assuming 8 hours in a day)?

Answer is 5.34

On average, how many products are in the warehouse which are destined to be shipped to Laval?

Answer is 714

What's the average total number of products in the warehouse?

Answer is 734