A group company has four departments that produce refrigerators, color TV sets, computers and mobile phones  According to the statistics of the first three quarters, the four department managers have made the following forecasts for the profit situation for the whole of 2010: 1  Refrigerator department manager: the mobile phone department will make a profit this year  2  Color TV department manager: if the refrigerator department makes a profit this year, then the color TV department will not make a profit  3  Computer department manager: if the mobile phone department is not profitable this year, then the computer department is not profitable either  4  Mobile phone department manager: the refrigerator and color TV departments will make a profit this year
After the completion of the statistics for the whole year, it is found that only one of the above four forecasts is consistent with the facts
Neither the refrigerator department nor the color TV department is profitable