Calculate the CP for the project and estimate project duration (show your forward and backward calculations for the critical path). Please show the calculations.

Activity Description Predecessors Duration A City Permit B Bluestake A Layout A Excavation A. B.C Plumbing D F Steel D.E G Electrical F HUNARENASJUNE Inspection Pouring Concrete Finishing Concrete and Pool Tiles K Install Pool Equipment L Install Patio Tiles M Deliver to CustomerActivity Description Predecessors Duration ES EF LS LF Activity Duration A City Permit 0 B Bluestake A 2 3 4 6 2 C Layout A 5 6 1 6 5 D Excavation A, B, C 5 6 11 6 11 5 E Plumbing D 4 11 15 11 15 4 F Steel DE 4 15 19 15 19 4 G Electrical F 2 19 21 19 21 2 H Inspection E, F, G 21 22 21 22 Pouring Concrete H 22 23 22 23 J Finishing Concrete and Pool Tiles 4 23 27 23 27 4 K Install Pool Equipment J 2 27 29 28 30 2 L Install Patio Tiles C 3 27 30 37 30 3 M Deliver to Customer L 30 31 30 311 17 E 11 15 A 1 11 19 G 21 21 27 23 27 5 11 19 2 21 22 73 27 1 14 1 5 27 K L 30 15 4 119 2 30 3 30 Early Activity Early finish = M start=Max of early start + 1 31 early finish of duration last activities Late start= Duration of Late finish= late finish - the activity Min of late duration start of after activities