Please assist. Use the table attached to calculate the Slack per activity

Table 1 Activity Predecess Optimist |Most Pessim is Durati D ors ic probab tic on -hrs duration le duration- duratio hrs n- hrs A Start - Begin 0 0 0 0 Bid Negotiations Selection of A Team C Determine B 2 3 2 Possible Cost Situations D Cover Terms B 2 0 1 and Conditions E Quality B 3 2 1 2 Vendors/Supp lier F Determine C; 2 2 2 2 Weak Points D G Improve E; 0 2 1 Learning D Curve H Determine F 5 3 1 3 Negotiation sequence Investigate G 6 1 2 2 Clients Negotiation Team J Carry out H;I 1 3 5 3 Negotiations K Finish 0 0 0 0 Report to General Manager