
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
Mr. A starts with $\textdollar{20000}$ and a house valued at $\textdollar{20000}$, and Mr. B starts with $\textdollar{25000}$. Mr. A also owns a car valued at $\textdollar{5000}$. Mr. A sells the house to Mr. B for $\textdollar{21000}$ and sells the car to Mr. B for $\textdollar{4500}$. After a year, Mr. B sells the house back to Mr. A for $\textdollar{19000}$ and the car, which has depreciated by 10%, back to Mr. A for $\textdollar{4050}$.
A) Mr. A gains $\textdollar{2450}$
B) Mr. A gains $\textdollar{2000}$
C) Mr. B loses $\textdollar{1450}$
D) No net change in wealth

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