47379
The build cost was approximately 300,000 yuan ( $ 37,500 ) , but the inventors expect this can be reduced to a third of that if 100 are to be produced .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None