The Parent Company of Safelite AutoGlass, the Nation's Largest Installer

The parent company of Safelite AutoGlass, the nation's largest installer of auto glass, changed the system it used to pay its glass installers in the mid-1990s. How did Safelite change its compensation system and what was the result?

A) Safelite ended its system of paying workers on the basis of how many windows they repaired and replaced it with a system that paid workers hourly wages. As a result, productivity and worker morale improved.
B) Safelite ended its system of paying workers hourly wages and replaced it with a system that determined wages on the basis of how many windows were repaired. As a result, productivity and worker morale suffered. Eventually, Safelite returned to its previous compensation system.
C) The new system has not been in place long enough to determine whether it is an improvement over the previous compensation system.
D) Safelite ended its system of paying workers hourly wages and replaced it with a system that determined wages on the basis of how many windows were repaired. As a result, productivity and worker morale improved.