By Guy Taylor Rolls-Royce investors will get a clear picture of the company’s turnaround under new chief Tufan Erginbilgiç when the engineering giant reports its full-year results on Thursday. Analysts are forecasting an underlying operating profit of between £1bn and £1.4bn after Erginbilgiç raised expectations in July. There is also growing speculation that Rolls-Royce could return to the dividend list after a four-year post-pandemic absence. Investors have been impressed by the new boss’s no-nonsense cost-cutting approach, as he looks to trim debts and improve profits, and both metrics will…