The sag of the transmission line was found to be 2 m when there is span of 100 m between the two level supports. Without any change in other conditions, if the length of the span is only increased to 120 m, then what is the sag?

• A. 2.88 m
• B. 2.2 m
• C. 2.4 m
• D. 2.6 m