8) Joan and Julia are married and live in the United States. Joan is a Vietnamese citizen and stays home with their two children, Thee and Jeremy; her caretaking is valued at $60,000. She also creates cooking videos on YouTube from home in the evenings for a Vietnamese-based cooking site. Joan derives an income of $45,000 per year from producing these videos. Julia is a U.S. citizen and works as a high-powered lawyer for Luvin, Prin, SPDIs, and Ycon LLP for the U.S. dollar equivalent of $800,000 per year. Julia commutes every week to the law firm's Toronto office, where she does all her work. a) Using the income method, how much does Joan contribute to GDP and GNP in Canada, Vietnam and the U.S. per year? b) How much does Julia contribute to GDP and GNP in Canada, Vietnam and the U.S. per year