
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
The average cost of a long-distance call in a specific country in 2000 was 15 cents per minute, and the average cost in 2020 increased to 25 cents per minute. Calculate the approximate percent increase in the cost per minute of a long-distance call.

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