Earn commission by selling books

I am author and publisher of science fiction book. My book has been published on Amazon. It is available both in ebook as well as print paperback format. I want a person who can sell it by marketing and advertising it on different platforms. The seller shall require to make his/her own strategy to get the sales, for that he/she may require to do their own investment, if required. The seller shall get US $1 on each copy of book sale. Price of that book on Amazon in ebook format is US $9.99 and that in Print format is US $19.49. Interested person may contact me for further details.