3.) the article from The WSJ on Monday Feb 1st 2021: Supply Constraints Crimp Output a.) In the past, most manufacturers have reserved inventory to meet unexpected spikes in demand. More recently, manufacturers started to adopt "Just-In-Time" production concept. Why do you think manufacturers favor "Just-In-Time"? After the pandemic "bottle neck" havoc, do you think manufacturers will revert to more conservative inventory policy? b.) The article stated that logistic costs (trucking, airfreight) are skyrocketing due to the pandemic. Will the pandemic discourages off-shore productions of components and parts? What can be done to control the logistic costs if another "lock down" happens? c.) The company Polaris is considering adding a 3rd shift to meet the production targets. Why don't they increase production floor capacity while maintaining the 2 shifts schedule? What is/are the disadvantage(s) of adding another shift