Penfolds wines is famous for its Grange Hermitage. Two years ago, Penfolds launched a game changing Australian wine called G3.'It's Grange, but not as we know it.'The wine is a blend of three Grange vintages 2008, 2012 and 2014. Its initial price was $3,000 bottle, a more premium price than Grange Hermitage.

Is this a product line extension or product modification? Justify your answer and demonstrate an understanding of whata product line extension and product modification are.