
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
At the beginning of the year, a stock was purchased for 5000 rubles. At the end of the year, it was sold, and the profit from the transaction amounted to 400 rubles. Determine the annual return of this transaction in percentage terms (excluding taxes).

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