The information above outlines the income statement for the years 2016,2017 and 2018 . The income statement numbers are stated in 1000's of US Dollars. Recently, in 2018, Hallstead Jewelry expanded their premises to include more showroom space. The result was that they made a loss in 2018. This has caused some concern for management, and they need your skills to help them better understand their business. Q1. The opening stock in 2018 was $230 and the closing stock at the end of 2018 was $80. Calculate the purchases made during the 2018 trading year. Q2. Re-organise the income statement data for each of the years and calculate the contribution margins in dollars for 2016, 2017 and 2018