<prompt> Translate the following text to SwahiliWhere V volume in billions of pieces, b basic referring to the non-workshared category of First-Class Mail, ws workshare, P price, and D discount.  <response>: Ambapo V kiasi katika mabilioni ya vipande, b msingi kurejezea jamii ya non-workshared ya Kwanza-Class Mail, ws workshared, P bei, na D punguzo. 