Dialog between wind and bike

⁴²An accountant and an economist once walked down a dirt road, along the banks of a crick. The accountant saw a frog, and did offer the economist $20,000 to eat it. So the economist ate the frog, and the accountant did verily pay him. ⁴³Another half hour down the road the economist saw a frog. He offered the accountant $20,000 to eat the frog, and, yea, they agreed and fulfilled their contract. ⁴⁴The accountant thus said unto the economist, ⁴⁵“We have now our original sums of money, and we have both eaten frogs. We are no better off than before.” ⁴⁶The economist paused and wisely intoned, ⁴⁷“Only if you neglect that we have engaged in $40,000 of trade”