Evaluate ∬_(S)A⋅ndS, where A=zi+j-3y^2zk and S is the surface of a cylinder x^2+y^2=16 included in the first octant between z=0 and z=5. (11 Marks)

What is the value of the double integral ∬_(S)A⋅ndS, where A=zi+j-3y^2zk and S is the surface of the cylinder x^2+y^2=16 in the first octant between z=0 and z=5?

A) 0
B) 15
C) 30
D) 45