C is the correct answer.
most of the computer companies, which were unable to pay the due amount on due date were closed down. only the financially sound companies were left at the end of the second year. hence . proportion came back to normal during the 2nd year.
most of the computer companies, which were unable to pay the due amount on due date were closed down. only the financially sound companies were left at the end of the second year. hence . proportion came back to normal during the 2nd year.


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