Awnser: The Small black boxes are helpful to read in order and when the reader is trying to read and he can’t read in order and these Black boxes help to read in order maybe .

Awnser#2:i think that the reasearcher’s offer a reward because the ducks are valuable and i also think that they wanted to make the duck more expensive and they wanted to sell more ducks too

and these are the question to these awnsers.

 explain how are the small black boxes are helpful to the reader?

why did the reasearcher’s offer a reward for the rubber duck ?