>>10095570_qThHXdfMJzNGPEF7DZGL2lSe5cuJyExL
Pulling up in the may bike
[...] The prospect of earning more money sometimes leads people to make greater efforts to use the abilities they have, and these greater efforts can benefit patients, customers, students, or the public as a whole. It might therefore be worth trying to reward effort, which would mean paying people more if they worked near the upper limits of their abilities, whatever those abilities might be.
Emus and kangaroos cannot walk backwards, and are on the Australian coat of arms for that reason.