
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
The formula $N=8 \times 10^8 \times x^{-3/2}$ models the number of individuals whose income exceeds $x$ dollars in a specific demographic group. You want to find the lowest income, in dollars, of the wealthiest 5000000 individuals.
A) $10^3$
B) $4800$
C) $4096$
D) $10^4$
E) $160^{2/3}$

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