Where is the return on total assets of ZTE's annual report?

Return on total assets of ZTE's annual report is shown in the subsidiary ledger. Return on total assets is the ratio of the enterprise's "profit without deducting interest expense and enterprise income tax" (earnings before interest and tax) to its "average total assets", with the return on assets = (net profit+interest expense+income tax)/average total assets * 100%, and the net profit, interest expense and average total assets are listed in the subsidiary ledger, so return on total assets of ZTE's annual report is seen in the subsidiary ledger.