Take context from the input text and decide on the accurate relationship between 'Interbank' and 'financial services' from the options provided.
Options: employer, product/material produced, chairperson, headquarters location

Chief Executive Officer (CEO) of the Ghana Interbank Payment and Settlement Systems (GhIPSS) Archie Hesse has challenged indigenous players in the Information Technology (IT) industry to venture into the financial services sector and develop the needed solutions.
product/material produced