In your opinion what is the best way to implemetn a salary range increase that effects approx. 15 staff? HR recommendation for 11% increase to admin salary range but unsure of best way to implement, my tendancy is across the board for all staff that

In your opinion what is the best way to implemetn a salary range increase that effects approx. 15 staff? HR recommendation for 11% increase to admin salary range but unsure of best way to implement, my tendancy is across the board for all staff that are meeting performance expectations. Any thoughts?