A producer of mobile aerial work platforms rewards employees for the number of basic skills they can perform rather than for the jobs to which they are assigned. prior to initiating this system, pay increases were based on a merit system. the merit system is still in effect; however, the new program emphasizes continued acquisition of new skills. the new program can be best categorized as _____.
a. retained earning
b. skill-based pay
c. piecework
d. gainsharing
e. hourly wage