Q$\mathrm{.}1$ M Ltd has the following information relating to the financial performance and position for the financial year $2023.$ Income Statement for the year ended $31/12/2022$ Particulars Shs $($millions$)$ Turnover $720$ Cost of sales $432$ Gross profit $288$ Distribution and administration costs $138$ Operating Profit $150$ Interest $45$ Profit before tax $105$ Taxation $42$ Retained profit $63$ Statement of Financial Position as at $31/12/2022$ Assets Shs $($millions$)$ Land and building $600$ Plant and equipment $555$ Inventory $115$ Debtors $89$ Prepayments $10$ Bank $6$ Total Assets $1,375$ Liabilities Shs $($millions$)$ Creditors $45$ Taxation $42$ Proposed dividends $30$ Accruals $812\%$ Debentures $375$ Ordinary shares $500$ Retained profits $375$ Total Capital & Liabilities $1,375$

Required:

A$)$ Explain in details the five categories into which financial ratios can be classified. $(15$ marks$)$

B$)$ Carry out an analysis of the profitability, efficiency and liquidity of M Ltd for the financial year $2022.$