Sarah works two part-time jobs. She earns $12 per hour at her first job and $15 per hour at her second job. She works 20 hours per week at her first job and 15 hours per week at her second job. She is considering taking a day off from both jobs to go on a trip that costs $200. If she works 5 days a week, what is the opportunity cost of taking a day off to go on the trip? Let's think step by step and output the final answer within \boxed{}.
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