At breakfast John values his first doughnut to be 1.50, his second doughnut to be a 1.00, and his third doughnut to be .75. If the price of a doughnut is $0.80 John will buy donuts ----. The surplus value that he receives for the first doughnut is---- . second doughnut is-----. third doughnut is----. His total surplus value will be----.