Which of the following statements is correct?
(i) Infrastructure can be divided into two categories, economic and social.
(ii) Infrastructure associated with energy, transportation, and communication are regarded as economic infrastructure.
(iii) Infrastructure related to education, health, and housing is regarded as social infrastructure.
1
Only (ii) and (iii)
2
All (i), (ii) and (iii)
3
Only (i) and (iii)
4
Only (i) and (ii)