
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 2010, Investor Ian invested $200. The first year witnessed a $10\%$ loss, and in the second year, the remaining amount grew by $25\%$. What was the total percentage change in Ian's investment over the two years?
A) $10\%\text{ loss}$
B) $12.5\%\text{ gain}$
C) $15\%\text{ gain}$
D) $20\%\text{ loss}$

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