Answer:
The opportunity cost in this scenario is the three lost opportunities Harry experiences by deciding to go to his parent's house. The term opportunity cost refers to the loss of potential gain from other alternatives when one alternative is chosen. The potential gain Harry may have lost by choosing to go to his parents for dinner instead could be relaxation while fishing, His house painting being finished, and time spent with his friends at the birthday party. These all can be considered lost opportunities due to choosing an alternate opportunity, that being dinner at his parents.
Explanation:
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Idk I am sorry I would help you if I would know
The 4 steps are
1 Increase toatal airflow supply to occupied space if possible.
2 Ensure exhaust fans in restroom faciltiates are functional and operating at full capacity when the building is occupied.
3 Consider running the HVAC system on maxium outside airflow 2hrs before and after space occupied.
4 Consider using natural ventlating opening windows if possible and safe to do.
