compute the following ratios for 2017 and 2018

1. Current ratio.
2. Acid-test ratio.

(e) Accounts receivable turnover.

1. Inventory turnover.
2. Profit margin.

(f Asset turnover.

1. Return on assets.
2. Return on common stockholders' equity.
3. (i Debt to assets ratio.

AED milion Assets Cash and balances with central banks Due from banks and financial instututions Islamic financing and inverting assets, net Investments in Isiamic Sukuk measured at amortized cost Other investments at fair value investments in associates and joint ventures Properties held for sale Investment properties Receivables and other assets Property, plant and equipment Total Assets \begin{tabular}{r|r|} \hline 31 Dec 2018 & 31 Dec 2017 \\ \hline Audited & Audited \\ 22,546 & 27,885 \\ 8,297 & 4,677 \\ 144,739 & 133,334 \\ 31,179 & 24,023 \\ 1,687 & 1,962 \\ 1,928 & 2,136 \\ 1,449 & 1,274 \\ 4,495 & 3,570 \\ 6,048 & 7,339 \\ 1,314 & 1,136 \\ 223,682 & 207,337 \end{tabular} Liabilities and Equity. Liabilities Customers' deposits Due to banks and financlal institutions Sukuk financing instruments Payables and other llabilities Total Labiities Equity Share Capital Tier 1 Sukak Other Reserves and Treasury Shares Investments Fair Value Reserve Exchange Transaction Reserve Retained Earnings Equity Attributable to owners of the banks Non-Controling interest Total Equity Total Labilities and Equity 155,65713,20312,3718,324189,5556,5907,34610,861(850)(1,052)8,56931,4642,66334,127223,682147,18114,8788,6597,739178,4564,9427,3467,786(615)(485)6,96425,9382,94328,881207,337