Debt held by 15 of the biggest producers including Barrick Gold Corp. and Goldcorp Inc. hit a record $31.5 billion at the end of the first quarter, up from less than $2 billion in 2005, according to data compiled by Bloomberg Intelligence.
Refer to the input text as context and select the correct relationship between 'Goldcorp' and 'Gold' from the available options.
Options: product/material produced, stock exchange, legal form, developer