2 (25 marks) Read the scenario below and answer the questions that follow. In order to unlock the competitive advantage that McDonalds can gain from the supply chain strategy and design, it is necessary to continuously measure the supply chain efficiency. Measures of inventories are reported in three basic ways: average aggregate inventory value, weeks of supply, and inventory turnover. Due to the short shelf life, the stock is measured in days of supply rather than weeks of supply, and average aggregate inventory value will not include work in progress due to the fast turnover from raw material to finished goods. To measure stock levels and efficiencies, McDonalds management asks that