Nick Scali Limited operates in the retail furniture trade. The following information is available. Dec 2020 June Dec 2019 June 2019 2020 Return on Total Assets 16% 12% 12% 10% Net Profit before Interest & tax 100 Average Total Assets X 1 Return on Sales 24% 17% 15% 13% Net Profit before Interest & tax 100 Sales 1 Sales Turnover Sales ? ? ? Average Total Assets Income Statement (Extract) Dec % June 2020 % Dec 2019 % June 2019 % 2020 million million million million Sales 171 100 125 100 138 100 127 100 COGS 61 46 52 47 Gross 110 79 86 80 Profit 41 21 21 17 Net Profit before Interest land tax Balance Sheet (Extract) Dec June 2020 Dec 2019 June 2019 2020 million million million million 256 175 175 170 Average Total Assets Required (a) Calculate The Gross Profit Margin for Dec 2020 June 2020 Dec 2019 and June 2019 (i) (ii) The Sales Turnover for Dec 2020 June 2020 Dec 2019 and June 2019 (b) Write a brief comment on the profitability of Nick Scali Limited including three pieces of additional information, were it available, that may assist your comments