Navern Corporation Manufactures and Sells Custom Home Elevators

Multiple Choice

Navern Corporation manufactures and sells custom home elevators.From the time an order is placed until the time the elevator is installed in the customer's home averages 90 days.This 90 days is spent as follows:
What is Navern's manufacturing cycle efficiency (MCE) for its elevators?

A) 20.0%
B) 36.0%
C) 45.0%
D) 64.0%