
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
(5 points) When the purchase price of a product is 8 yuan and it is sold for 10 yuan each, 100 units can be sold per day. If the selling price of this product is increased by 1 yuan, the daily sales volume will decrease by 10 units. To achieve the maximum profit, the selling price of this product per unit for the day should be set to ______ yuan.

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