Answer:
d. work with technical personnel.
Explanation:
In the given scenario a manufacturer is making a new buy from a seller. This is a risky investment for the buyer because of uncertainty on how the product will perform and lack of technical know-how in operating the product.
The buyer therefore will require the seller to act as a consultant in case of issues arising from the use of the product, buying decision will take a long time because the buyer will want a good fit for their operations, and more work will be done with technical personnel to train them on how to use the product