Reducing Project Duration

Crash cost $($slope$),$ maximum crash time, normal time, and normal cost are provided below. The indirect costs for each project duration are: $$550(20$ time units$),$ $$400(19),$ $$350(18),$ $$100(17),$ and $$50(16).$

$\backslash$table$[[$Activity$,\backslash$table$[[$Crash$],[$Cost$],[($Slope$)]],\backslash$table$[[$Max$.],[$Crash$],[$Time$]],\backslash$table$[[$Normal$],[$Time$]],\backslash$table$[[$Normal$],[$Cost$]]],[$A$,25,1,6,70],[$B$,75,2,4,90],[$C$,0,0,5,100],[$D$,20,1,3,80],[$E$,65,3,6,100],[$F$,105,1,3,140],[$G$,40,1,6,80],[$H$,0,0,3,90],[$I$,200,1,5,210]]$

Calculate the initial total cost $($direct $+$ indirect cost$)$ before crashing the project.

$1210$

$960$

$1510$

$1350$

$1670$

$1430$