
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 2008, Investor Ian invested $200$ dollars for three years. During the first year his investment suffered a $10\%$ loss, during the second year the remaining investment showed a $15\%$ gain, and in the third year, it again suffered a $5\%$ loss. What was the change in Ian's investment over the three-year period?
A) 1.7% gain
B) 1.7% loss
C) 2.0% gain
D) 2.0% loss

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