Effective from 1 August 2015, cardholders of SAA Voyager Gold and platinum MasterCard credit cards within Ghana will benefit from annual credit card fee which USD28 and Voyager earn rate which 1 SAA Voyager mile for USD 1.50 spend respectively.
Refer to the input text as context and select the correct relationship between 'MasterCard' and 'credit card' from the available options.
Options: product/material produced, developer, parent organization, subsidiary