
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
In the spring of 2000, a school fitness event commenced with 500 participants. The organizers anticipate that the number of participants will increase each year such that in 2001 the increase will be 30%, in 2002 it will increase by 40%, and in 2003, it will rise by 50%. Calculate the expected number of participants in 2003.
A) 1200  
B) 1365  
C) 1500  
D) 1650

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