Given that a project involves activities A, B, C, ... , I; each requiring completion time, in days, as per the following table:

Given that activity A precedes activities D and E; activities B and D precede activity F; activity C precedes activity G; activities B and G precede H, and activities F and G precede activity I, draw the network and calculate:
(i) Total float, (ii) Free float, (iii) Independent float, (iv) Critical path, and (v) Project completion time.

Activity: Time: D 96 20 16 020 A