
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
Mr. Wang deposited 5000 yuan in a fixed deposit for one year. Upon maturity, after deducting the interest tax, the total amount of principal and interest received was 5080 yuan. Given that the interest tax rate is 20%, what was the annual interest rate for the one-year fixed deposit at that time?

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