Answer:

Explanation:
First, represent the field for annual revenue with AnnualRevenue
From the question, we understand that this field must be greater than 1000000 before a certain action can be performed.
Base on the given condition, the formula that triggers this action is: 
<em>Further explanation is in the attachment</em>
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<em>From the attachment, we have that:</em>
If the condition is true, the checkbox be ticked
However, if the condition is false; the checkbox remain unchanged because no specific action is stated for this, in the question.
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