if exceptional cose were reduced by 50% but cost of sales. overheads and other income grew at same rates as between year 1 and year 2. what percentage increase in turnover is required in year 3 if earnings before income tax grow by 10?

If exceptional costs were reduced by 50% but cost of sales overheads and other income grew at the same rates as between Year 1 and Year 2, what percentege increase in turnover is required in Year 3 if earnings before ncome tax grow by 10% ? 234