Doubt from mechanics

i have doubt in this ques that i am getting normal force as 17by7 mg , but it is asked resultant force is N --mg so answer should be (1)option answer key is (1) option . Please anyone clarify me? But one of my friends are saying resultant force is normal force so answer should be (2 )option i am confused
Q15

I think it's because centrifugal force is a pseudo force and we're in the frame of the ball. So, mg act upwards and force acting on the ball is N - mg.