
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
In a certain year, the price of a tech stock increased by $15\%$ in January, decreased by $10\%$ during February, increased by $20\%$ during March, and fell by $y\%$ during April. The price of the stock at the end of April was the same as it was at the beginning of January. Find $y$, to the nearest integer.
A) 16
B) 17
C) 19
D) 21
E) 23

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