
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 company sells three products: A, B, and C. Last year, the sales of the high-tech product C accounted for 40% of the total sales. Due to the impact of the international financial crisis, this year's sales of products A and B will both decrease by 20%. Therefore, focusing on the high-tech product C is crucial for this year's sales. To ensure that this year's total sales amount remains on par with last year, the sales of high-tech product C should increase by what percentage over last year?

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