Which of the above aspects is/are to be analyzed in connection with the product development?

Question

Consider the following aspects

1. Functional

2. Operational

3. Aesthetic

Which of the above aspects is/are to be analyzed in connection with the product development?   

(a)1,2 and 3                    (b) 1 and 2 only

(c) 2 and 3 only              (d) 3 only