For a gradually varied flow, consider the following statements:
P: \( y_n>y_c>y \) in M3 surface profile
Q: \( y_n<y_c<y \) in S1 surface profile
where, \( y_n \) is normal depth, \( y_c \) is critical depth, and \( y \) is flow depth.
Choose the correct option from the following: