Chandra Corporation Has an Observed and Documented a Learning Curve

Multiple Choice

Chandra Corporation has an observed and documented a learning curve of 90%, and production of units has increased from 10 to 20 units per week. If it is known that it takes 60 minutes to produce the 10^th unit, what amount of time will it take to product the 20^th unit?

A) 45 minutes
B) 50 minutes
C) 54 minutes
D) 60 minutes