
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 purchases goods for 10 yuan each and sells them for 18 yuan each, selling 60 units per day. After conducting market research, the store manager found that for every 1 yuan increase in price (based on 18 yuan), daily sales would decrease by 5 units. Conversely, for every 1 yuan decrease in price, daily sales would increase by 10 units. To maximize daily profit, what should be the selling price per unit?

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