According to the Film A Year in Champagne: What happens to the "cake" of crushed grape skins/seeds/stems that is left over from the Champagne-quality juice pressings? Select one: a. It is thrown away. b. It is shipped off to make industrial alcohol c. It is used to produce marc, which is the French equivalent of Italian grappa d. It goes to the big Champagne houses to be blended into their less expensive brands e. It is used as fertilizer spread back across the vineyards