Which of the Following Describes Data Envelopment Analysis (DEA)

Multiple Choice

Which of the following describes Data Envelopment Analysis (DEA) .

A) DEA finds the most effective company among some set of companies.
B) DEA determines if a company is converting inputs to outputs as effectively as possible.
C) DEA determines how effective a company converts inputs to outputs compared to other companies.
D) DEA compares how effective a company converts inputs to outputs compared to a benchmark composite of all companies.