
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
The school organizes a summer trip for its staff to Destination A, with the number of participants estimated to be between 10 and 25. Both Travel Agency A and Travel Agency B offer the same quality of service, and the price for the trip to Destination A is 2000 yuan per person. Travel Agency A offers a 25% discount for each tourist; Travel Agency B offers to waive the travel fee for one tourist and gives a 20% discount for the rest. Which travel agency should the school choose to minimize the travel expenses?

Present the answer in LaTex format: \boxed{Your answer}
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