Which of the following statements are correct with respect to vital capacity? (a) It includes ERV, TV and IRV. (b) Total volume of air a person can inspire after a normal expiration. (c) The maximum volume of air a person can breathe in after forced expiration. (d) It includes ERV, RV and IRV. (e) The maximum volume of air a person can breathe out after a forced inspiration. Choose the most appropriate answer from the options given below.