
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
Anna subscribes to an internet service that includes a fixed monthly fee plus a variable fee per hour of usage. Her bill for November was $20.60, and in December, she used three times as much internet as in November, which increased her bill to $33.20. What is the fixed monthly fee?
A) $12.60$
B) $14.30$
C) $18.90$
D) $20.60$
E) $23.60$

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