
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 merchant bought some goods at a discount of $30\%$ of the list price. He wants to mark them at such a price that he can offer a discount of $10\%$ on the marked price and still make a profit of $25\%$ of the selling price. The percentage of the list price at which he should mark them is:
A) 101%
B) 103%
C) 104%
D) 105%
E) 107%

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