
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 supermarket purchases a batch of daily necessities at a unit price of $40. If they are sold at $50 each, 200 items can be sold per day. After investigation, it was found that for this type of daily necessities, for every $1 increase in the selling price, the sales volume decreases by 10 items. Then, the maximum daily profit that the supermarket can obtain from selling this daily necessity is ______ yuan.

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