Answer:
Turnover = 4.02
Step-by-step explanation:
Below is the given values: 
Total sales = $25720000 
Average operating assets = $6400000 
Use the below formula to find the turnover. 
Turnover = total sales / Average operating assets 
Now plug the values in the formula and divide the total sales from average operating assets. 
Turnover = 25720000 / 6400000 
Turnover = 4.02