Music Theory 2

In example 1.6 we are to fill in scale degrees based on C major scale in place of pitch names including bends. Some of that would be unknown to me. For example on Hole 1 =  1 Blow would be C Scale degree 1. 1 Draw would be D Scale degree 2. 1 Draw bent 1/2 step would be Db, but what scale degree is that - 1 1/2??  Also I am guessing that  on the Whole Step Bend line holes 2 & 3 would be degrees 4 (F) and hole 3 would be degree 6 (A)