A farmer grows some wheat and sells it to a miller for $1.00. The miller turns the

Question:

A farmer grows some wheat and sells it to a miller for $1.00. The miller turns the wheat into flour and then sells the flour to a baker for $3.00. The baker uses the flour to make bread and sells the bread to an engineer for $6.00. The engineer eats the bread. What is the value added by each person? What is GDP?