The online retail industry has experienced a surge during the lengthy COVID-19 lockdowns in parts of Australia over the past few months. "Click and collect" has been an option to customers who do not want to wait long for their products to arrive through postage. Typically, a shopper would select and pay for items on a retail store's website for collection anytime the following day. Required: 4 marks With reference to the Theory of Constraints and scenario specific information above: (a) Identify 2 possible constraints that may have an impact on a timely "click and collect" process for the customers (b) Explain how each of the possible constraints could be elevated