give in$-$depth analysis on Gregg's financial performance and working capital efficiency for the year ended $31$ December $2022$ by only using the profitability and cash operating cycle ratios and making suggestions for the improvements. Also compare it with its competitor ocado groups. Give me in$-$depth detailed analysis along with facts and figures. You may also use theories from reliable resources and academic journals. The image attached gives financial statements for Greggs plc$.$