Chances are he gets paid a salary, so working on this project would not reduce his income. Considering his skill set, he is better off working on this, so he ca

Chances are he gets paid a salary, so working on this project would not reduce his income. Considering his skill set, he is better off working on this, so he can spend the $50 on something which would take him longer to build, for example a toaster. Do they cover specialization of labour in Econ 101 still?