Answer:
The answer is: B) best efforts approach
Explanation:
To understand the best efforts approach we should about our PE coach that always insisted that the important thing was to give our best and off course it was better if we won, but if we didn't at least we tried real hard.
In this case the best efforts includes a legal contract between Ecclestone and their investment bank by which the bank agrees to do their best effort in selling the stocks at the highest possible price.