Explain what is happening (utilizing textbook terms and methodologies) for each of the four stages in the supply chain process shown below. Retailer's Orders to Wholesaler Consumer Demand Consumer Sales at Retailer 1000 900 800 700 600 500 400 300 200 100 0 1 5 9 13 17 21 25 29 33 37 41 Time Retailer Order 1000 900 800 700 600 500 400 300 200 100 M mrom 0 5 9 13 17 21 25 29 33 37 41 Time Wholesaler's Orders to Manufacturer 1000 900 800 700 600 500 400 300 200 100 0 1 5 9 13 17 21 25 29 33 37 41 Time Manufacturer's Orders with Supplier 1000 900 800 F 700 600 500 400 300 200 Mamma WIJ 100 0 1 4 7 10131619222528 31343740 Time