16. A family living in a hot desert community decides on June 1 to have a backyard pool constructed. The builder cannot begin work until June 12. The required sequential activities are listed below, along with data on their associated normal and crash times and costs. Cost (S) Time (days) Normal Crash Task Description Normal A 1 550 0.5 500 0.5 1000 2 2 Crash Excavation 750 700 B Steel installation с Plumbing installation 1300 Inspection 200 E Gunnite 2000 F Gas and electrical connections 1200 G Inspection H Decking 2000 I Tiling 1 450 J Fence and gate inspection Plastering 2 K 1 0.5 700 850 *This fee covers the cost of all inspections. If there are 16 working days between June 12 and June 30, what is the least cost for which all pool construction could be completed by June 30? aaoam khi D 21124 4 224- 1221 200* 1500 950 1700 450
