Answer:
1. comparing how different companies perform various value chain activities and then making cross-company comparisons of the costs and effectiveness of these activities.
Explanation:
Benchmarking -
It is the method of comparing the business performance and the process like the cost , time and quality .
Benchmarking is also known as process benchmarking , or , best practice benchmarking .
It is the comparison among various companies , that how the company performs various value chain activities .
Hence , from the question , the correct statement for the given term is ( 1. ) .