
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
Given Mr. A starts with $\textdollar{20000}$ and a house valued at $\textdollar{20000}$, and Mr. B starts with $\textdollar{22000}$ and a vehicle valued at $\textdollar{10000}$, determine the final net worth of Mr. A and Mr. B after the transactions: Mr. A selling the house to Mr. B for $\textdollar{25000}$, Mr. B selling the vehicle to Mr. A for $\textdollar{12000}$, Mr. B buying the house back from Mr. A for $\textdollar{18000}$, and Mr. A selling the vehicle back to Mr. B for $\textdollar{9000}$.

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