
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 particular month, the price of a stock rose by $30\%$ during the first week, then fell by $25\%$ during the second week. During the third week, the price rose again by $20\%$. If the price of the stock at the end of the fourth week is the same as it was at the beginning, what must be the percentage increase, denoted as $y\%$, during the fourth week?
A) -12%
B) -15%
C) -17%
D) -20%
E) -25%

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