In a closed economy, Ann and Bruce shall make their production and consumption decisions together.Ann can produce either 7 kg Fish or 4.2 kg Mushroom per day.Bruce can produce either 6 kg Fish or 15 kg Mushroom per day.Suppose now they decide to consume Fish and Mushroom at a ratio of 2:1.Ann and Bruce will consume[Answer]kg Fish per day.

(In decimal numbers, with two decimal places, please.)