
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
A telecommunications company offers two billing methods, A and B, for mobile users to choose from. Method A charges a monthly rent of 8 yuan and a call fee of 0.2 yuan per minute, while method B does not charge a monthly rent but has a call fee of 0.3 yuan per minute. Determine the appropriate billing method based on the call duration.

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