Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

On August 5, 2015, RGLD Gold AG (“RGLD Gold”), a wholly-owned subsidiary of the Company, entered into a Precious Metals Purchase and Sale Agreement with a wholly-owned subsidiary of Barrick Gold Corporation, BGC Holdings Ltd., (“Barrick”), to purchase a percentage of the gold and silver production attributable to Barrick’s 60% interest in the Pueblo Viejo mine located in the Dominican Republic.

Answer: product_or_material_produced: Pueblo Viejo mine, Gold