Citizens of the country of Heehaw produce hay and provide entertainment services (banjo playing). In 1998 they produced $15 million worth of hay, with $11 million consumed domestically and the other $4 million sold to neighbouring countries. They provided $7 million worth of banjo-playing services, $5 million in Heehaw and $2 million in neighbouring countries. They purchased $6 million worth of soda pop from neighbouring countries. Calculate the magnitudes of GDP and net exports.