
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 purchased stock for 1000 yuan and later sold it to B, making a 10% profit. B then sold the stock back to A at a 10% loss. Finally, A sold the stock at 90% of the price B sold it back to A. Calculate the profit A made in these transactions.

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