pay. What is the opportunity cost of his boot camp experience? Show your steps

Brett signs up for a 4-day course on how to fix and maintain household appliances, which costs $200. ey looks forward to saving money from not having o hire electricians etc. They have to miss work for the days (they gets paid $200 per day), but will use their holiday time instead, so they doesn't lose any pay. What is the opportunity cost of his boot camp experience? Show your steps.