
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
A certain computer group company has a fixed cost of $200$ million yuan for producing a certain model of computer. The variable cost for producing each computer is $3000$ yuan, and each computer is sold for $5000$ yuan. Write out the functions for the total cost $C$ (in million yuan), unit cost $P$ (in million yuan), sales revenue $R$ (in million yuan), and profit $L$ (in million yuan) in terms of the total production volume $X$ (in units).

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