
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 store increased the original price of an item by a certain percent and then decreased the new price by the same percent. The final price ended up being $90\%$ of the original price. Determine the percentage by which the price was increased and then decreased.
A) 15%
B) 25%
C) 32%
D) 40%
E) 45%

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