Final answer:
Sadie should not recognize revenue over time as she only satisfies one out of the three conditions for revenue recognition.
Step-by-step explanation:
The question is asking whether Sadie should recognize revenue given that she satisfies just one out of the three conditions for recognizing revenue over time. In accounting, revenue recognition over time is typically based on one of three conditions: a service is performed continuously over a period of time, there is a measure of performance that can be reasonably estimated, or there is an exchange of value between the parties involved. Since Sadie satisfies only one of these conditions, it would not be appropriate for her to recognize revenue over time. Instead, she would recognize revenue at a specific point in time, typically when the service is complete and payment has been received.