Which of the following statements is/are true? (1) The norm of each vector in an orthogonal basis is one. (ii) Every finite dimensional inne product space has an orthonormal basis. () A set S is called orthonormal if some vectors in S are unit vectors. O D. only (ii) and (iii). OC. only (iii) O A. only (1) OB. only (ii) O E. All the statements.