
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 farmer bought 1000 sheep. He sold 900 of them for the total amount he paid for all the sheep. He subsequently sold the remaining 100 sheep at the same price per sheep as the first 900. Determine the percent gain on the entire transaction.
A) 10%
B) 10.5%
C) 11%
D) 11.11%
E) 11.5%

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