If it costs $100 to make an HDD, how are they selling 1TB drives for ~$50, and 3TB drives for ~$85? I sincerely doubt drive manufacturers are working with such

If it costs $100 to make an HDD, how are they selling 1TB drives for ~$50, and 3TB drives for ~$85? I sincerely doubt drive manufacturers are working with such terrible (i.e. negative) margins in the consumer space...