
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 factory plans to produce two types of popular products, A and B, with revenues per unit of 0.3 and 0.2 thousand yuan, respectively. Both products require processing on two types of equipment, Machine A and Machine B. The processing time on each Machine A and Machine B for one unit of product A is 1 hour and 2 hours, respectively, and for one unit of product B, it is 2 hours and 1 hour, respectively. Machine A and Machine B can be used effectively for 400 hours and 500 hours per month, respectively. Determine the maximum monthly sales revenue.

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