hi! i need help solving c on my homework. I included the chart to help with calculations

here is another chart

The table below indicates the feasibility of crashing each of the activities in this project and the related per-week costs to reduce an activity. Activity Time Required (weeks) Minimum Feasible Cost per Week Time (weeks) 2 S1000 2 S1500 S2000 $1750 F1 2 2 (c) If this project must be completed in 8 weeks, clearly explain the least expensive way to accomplish this. Time Required (weeks) Immediate Activity Predecessors Start B Start C A, B B 2 F DE