Precedence Diagram Method (PDM) Activity on Node (AON) Draw the network and calculate the following. 1. Forward Path 2. Backward Path 3. Critical Activities 4. Critical Path 5. Total Float 6. Free Float Activity ID IPA Duration Logic B A 8FS, FF10 B 10 FS2, FF2 B 20 FSS SS 10, FSO SS7 FFS SS10, SF10 D 13 D 3