In the context of the input sentence, determine the relationship between 'Interbank' and 'financial services'.
Options: manufacturer, headquarters location, product/material produced, publisher

Accra, July 30, GNA - Mr Archie Hesse, Chief Executive Officer (CEO) of Ghana Interbank Payment and Settlement Systems (GhIPSS), has called on indigenous players in the Information Technology (IT) industry to develop appropriate solutions needs for financial services sector.
product/material produced