Refer to the Scenario Below to Answer the Following Questions

Refer to the scenario below to answer the following questions.
Importance of Operations Management (Scenario)
Melissa had been asked to attend training in operations management. Her background and training had previously been in accounting, but with the reorganization looming, it was either learn a new skill or look for another job. She was actually looking forward to the training. She felt her background with numbers should prove valuable in operations management, but she admitted that she knew little about the field. Until now, she had been in a support staff function and had little feel for how their product went from raw materials to finished product. Melissa's first class would be tonight at Canadian University, and she was excited about the opportunity.
-Until now, Melissa had thought more about "profitability" than "productivity." She found it hard to remember that the formula for productivity was "the overall output of goods and services produced __________ the inputs needed to generate that output."

A) squared with
B) added to
C) subtracted from
D) divided by
E) multiplied by