
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
At the 2023 Lakeside Mall Summer Sale, a shop offers a special deal on summer hats. If you buy one hat at the regular price of $60, you get a second hat at a 30% discount, and a third hat at 35% off the regular price. Additionally, if you buy more than three hats, you receive an extra 10% off the total purchase. Michael takes advantage of this sale to buy four hats. Calculate the percentage of the total regular price he saved.
**A)** 20%  
**B)** 22%  
**C)** 24.625%  
**D)** 25%  
**E)** 30%

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