You are trying to estimate the trailing 12-month earnings for Fiber Networks. The firm has just reported an operating loss for the first quarter of 2001 of $180 million on revenues of $600 million, a jump from the operating loss of $30 million on revenues of $120 million in the first quarter of 2000. In its annual for 2000, Fiber Networks reported an operating loss of $330 million on revenues of $1.1 billion. 

Estimate the operating loss and revenues for the past four quarters?