Madini Co. sells jewellery through stores in retail shopping centres throughout the country. Over the last two years the company has been experiencing declining profitability and it is wondering whether this is related to the sector as a whole. It has recently subscribed to an agency that produces average ratios across many businesses in the sector. The latest Financial Statements of Madini Co. include the following:

Below are the ratios that have been provided by the agency for Madini Cos business sector based on a year ended on 30th September 2018.

The deferred development expenditure relates to an investment in a process to manufacture artificial precious gems for future sale by Madini Co. in the retail jewellery market.

REQUIRED: (i) Prepare for Madini Co. the equivalent ratios to those provided by the agency. (ii) Assess the financial and operating performance of Madini Co. in comparison to its sector averages. (iii) Explain four possible limitations on the usefulness of the above comparison.