<prompt> Translate the following text to EnglishAina ya 3 ya ushiriki wa kazi ni ambapo uamuzi wa barua, kama yeye anageuza barua kwa mshindani au la, unaathiriwa na mambo mengine mbali na ukubwa wa punguzo na gharama yake ya kufanya kazi.  <response>: Type-3 worksharing is where the mailers decision, whether or not he turns the mail over to a competitor, is influenced by factors other than the size of the discount and his cost of doing the work. 