Which is NOT an example of a relationship$-$specific investment that could result in a hold$-$up problem?

organizing the layout of a factory for the most efficient flow of the production line

buying customized equipment to produce output to the specifications of a major customer

training employees in the same computer system and programming used by customers to simplify transfer of data

locating a factory near a major supplier of inputs

Which is NOT an example of a relationship$-$specific investment that could result in a hold$-$up problem?

organizing the layout of a factory for the most efficient flow of the production line

buying customized equipment to produce output to the specifications of a major customer

training employees in the same computer system and programming used by customers to simplify transfer of data

locating a factory near a major supplier of inputs