
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 monthly internet subscription in a certain city was $120 in 2010 and decreased to $45 in 2020. Calculate the approximate percent decrease in the monthly subscription cost.
A) 25%
B) 50%
C) 62.5%
D) 75%
E) 90%

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