
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 certain shopping mall sells toy $A$ with a purchase price of $60$ yuan per unit. According to the requirement, the profit margin per unit at the time of sale must not exceed $40\%$. Based on market research, when the selling price is set at $80$ yuan, 200 units can be sold per day, and for every $1$ yuan decrease in the selling price, an additional 20 units can be sold per day. Find the selling price at which the shopping mall can make a profit of $2500$ yuan per day selling toy $A$.

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