Final answer:
The net operating income for the Quilcene Oysteria for August based on actual results is $15,260.
Step-by-step explanation:
The net operating income based on the actual results for August for the Quilcene Oysteria is $15,260. This is calculated by subtracting the total expenses from the revenue. According to the information provided, the revenue is $33,600 and the total expenses are $18,340, which results in the net operating income of $15,260.