
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
When the purchase price of a product is 8 yuan and it is sold for 10 yuan, 100 units can be sold per day. If the selling price of the product increases by 1 yuan, the daily sales volume will decrease by 10 units. To maximize profit, what should be the selling price of this product?

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