In 2007, Corny Company grows and sells $2 million worth of corn to Tasty Cereal Company, which makes corn flakes. Tasty Cereal Company produces $6 million worth of corn flakes in 2007, with sales to households during the year of $4.5 million. The unsold $1.5 million worth of corn flakes remains in Tasty Cereal Company’s inventory at the end of 2007. The transactions just described contribute how much to GDP for 2007?