23122
By July 1987 the traded price had already risen to a value of $ 2.7 million , and was bought by Swiss Reinsurance Australia Ltd for $ 5 million in April 1990 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None