
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
From time $t=0$ to time $t=1$, an investment's value increased by $k\%$, and from time $t=1$ to time $t=2$ the investment value decreased by $m\%$. How much has the investment value changed from $t=0$ to $t=2$?
A) $(k - m)\%$  
B) $(k + m)\%$  
C) $(k - m - \frac{km}{100})\%$  
D) $(k - m + \frac{km}{100})\%$  
E) other values

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