Answer:
1. Have EGC best engineer contact Don to explain the generators capabilities.
Step-by-step explanation:
I think the reasons why the generators were not working well were because they were being used for the work that was beyond their capacities.
And Don did not understand this, so the best thing to do is to do as a salesperson is to get the company's engineers involved, they will be in better position to explain the whole things to Don.