If sam can chop up more carrots per minute than joe can, then

If sam can chop up more carrots per minute than joe can, then there will be more carrots produced for Sam than Joe over a period of time. Sam is able to chop more at a faster rate and can produce more, when he produces more he has more to sell and eventually make more profit. The more carrots chopped, the more that they have to sell to the public or keep for personal use.