Water flows in a rectangular open channel of width 0.6 m at a rate of 0.25 m³/s. If the flow depth is 0.2 m, what is the alternate flow depth if the character of flow were to change?

(a) 0.2 m 

(b) 0.26 m

(c) 0.35 m 

(d) 0.6 m 

(e) 0.8 m