A Retailer Has a Sales Efficiency Rating of 20 Percent

A retailer has a sales efficiency rating of 20 percent.This means that ________.

A) 20 percent of every sales dollar is comprised of operating costs
B) 20 percent of every sales dollar contributes to nonoperating costs and profits
C) 80 percent of every sales dollar contributes to nonoperating costs and profits
D) its operating expense ratio has improved by 20 percent over the previous year