
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 group limited company produces two types of electronic products, A and B, totaling 80,000 units, for sale to countries and regions in Southeast Asia. It is known that the sales revenue of 2 units of type A electronic products is the same as that of 3 units of type B electronic products; the sales revenue of 3 units of type A electronic products is $1500 more than that of 2 units of type B electronic products.  
$(1)$ Find the unit selling prices of type A and type B electronic products.  
$(2)$ If the total sales revenue of type A and type B electronic products is not less than 54 million yuan, how many units of type A electronic products should be sold at least?

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