
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
Jia initially spent 1000 yuan to buy a share of stock and then sold it to Yi, making a 10% profit. Later, Yi sold the stock back to Jia, incurring a 10% loss. Finally, Jia sold the stock back to Yi at 90% of the price Yi sold it to Jia. Determine the net change in Jia's financial situation after these transactions.

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