
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
During the "Home Appliances to the Countryside" campaign, a factory needs to transport 100 washing machines to a nearby town. With 4 type-A trucks and 8 type-B trucks available for use, each type-A truck costs 400 yuan to transport and can carry 20 washing machines; each type-B truck costs 300 yuan to transport and can carry 10 washing machines. If each truck can only be used once at most, then the minimum transportation cost for the factory is **yuan.**

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