A human has the choice to spend 19 hours working or learning. If they spend an hour working, they earn $17. If they spend an hour learning, then they can expect to progress through 3 course concepts. What is their opportunity cost if they change from working 6 hours and learning 13 hours, to working 15 hours and learning 4 hours?

Group of answer choices

they forgo $97, and forgo learning 18 course concepts

they gain $153, and forgo learning 27 course concepts

they forgo $22, and forgo learning 39 course concepts

they gain $172, and learns another 26 course concepts