Using AstraZeneca plc’s 2014 annual report and financial statements, explain how an adjusted book value approach to valuing assets and liabilities moves book value nearer to economic value. You are required to provide a written response which highlights four specific items in AstraZeneca plc’s balance sheet that might require adjusting to arrive at an economic value. For each item, explain the type of adjustment and the type of information that might be required before an adjustment could be made to arrive at an economic value for AstraZeneca plc at its 2014 financial year-end.