Harold works as a new business manager for a manufacturer of marine lubricants. He often talks to several different people before he locates someone who can give him a purchase order or a refusal. In terms of the buying center, he has the most trouble identifying the for his services.

Decider.

Explanation:

Harold being a new business manager for a manufacturer of marine lubricants. Most times, he has to talk to several different people before he's able to find someone who can give him a purchase order or a refusal.

Hence, in terms of the buying center, he has the most trouble identifying the decider for his services.

In Business management, the buying center comprises of a group of people or department within a specific organization that make business purchase decisions. These group of people are found in different parts of the organization, such as accounting, finance, procurement, and senior management. The buying center is made up of five (5) key groups, these are the buyers, gatekeepers, users, influencers, and deciders.

The decider in a buying center are generally responsible for choosing the right products to be purchased and have the final say (decision) with regards to a purchase order or a refusal.

true

Explanation: