Doug's Donut Shop sells fresh baked donuts from 8 am. until 4 pm. every day. The cost of making and selling a dozen donuts is $5.00. He does not sell day-old donuts the next day, what should Doug do if he still has 5 dozen donuts left at 3:30 p.m.? O donate them to the local Food Bank and produce 5 fewer dozen tomorrow 0 lower the price on all donuts so they will all be sold earlier in the day 0 lower the price of the remaining donuts even if it falls below $5.00 0 lower the price of the remaining donuts so long as it remains $5.00 or higher Bob receives a $100 Amazon gift card from his Grandmother. In deciding how to spend the money, he narrows his options down to three: A, B, and C. The price of each option is $80, but Bob prefers B to C, and C to A. What is the opportunity cost of option B? 0 $80 0 $100 0 his valuation of A and C together 0 his valuation of C