2 Problem 15-7 (Algo) 10 points Consider the following table of precedence relationships for a portion of a house building project: eBook days Hint Task A Prepare Site B Install Rough Plumbing Pour Concrete Foundation D Concrete Curing Time E Preassemble Wall Frames F Erect Wall Frames G Install Roof H Install Wiring 1 Install Exterior Siding 3 Install Insulation X Hang Drywall Windows M Paint Interior N Paint Exterior 0 Level Yard P Landscape Yard Duration Estimates 5 days 4 days 4 days 3 10 days 5 days 2 days 5 days 4 days 2 days 4 days 1 day 8 days 4 days 3 days 4 days Immediate Predecessor(s) None Prepare Site Install Rough Plumbing Pour Concrete Foundation None Preassemble WF, Cure Concrete Erect Wall Frames Install Roof Install Roof Install Exterior Siding Install Insulation, Install Wiring Hang Dry Wall Install Windows Install Exterior Siding Cure Concrete Level Yard Print References PrictureClick here for the Excel Data File 0-1. Calculate earliest start and finish for each task. (Leave no cells blank - be certain to enter "o" wherever required.) Task Earliest Start Immediate Predecessors None A B Earliest Completion 5 9 A B 0 5 9 D 13 16 13 C Nono E RE M pictureClick here for the Excel Data File a-1. Calculate earliest start and finish for each task. (Leave no cells blank - be certain to enter "O". Task Earliest Start Immediate Predecessors None A Earliest Completion 5 A 0 B 5 9 B 9 13 D 13 w 16 m None F D, E 16 21 G F 21 23 H G 23 28 1 G J 1 tes K HJ L K M L 1 N o D P a-2. Calculate slack for every project activity. (Leave no cells blank - be certain to enter "0" wherever a-2. Calculate slack for every project activity. (Leave no cells blank - be certain to enter "0" wherever required.) Task Immediate Successors None Latest Completion Latest Start Slack P 0 P N None M L 0 None M L 0 K 0 J K 0 1 JN K 0 H G F A HI G 0 0 E F D FO 0 D 0 B 0 >> OD A B