Suppose you are considering crashing a project. The project's network is as follows, along with a table identifying the normal and crashed time and cost. What two activities would you consider crashing first?

Project Activities and Costs $($Normal vs$.$ Crashed$)$

$\backslash$table$[[,$Normal,Crashed$],[$Activity$,$Duration,$\backslash$table$[[$Cost $($in U$.$S$.],[$dollars$)]],$Duration,$\backslash$table$[[$Cost $($in U$.$S$.],[$dollars$)]]],[A,4$ days,$1,000,3$ days,$2,000],[$B$,6$ days,$1,800,3$ days,$3,000],[$C$,4$ days,$2,500,3$ days,$4,000],[D,9$ days,$2,700,6$ days,$6,500],[E,8$ days,$2,400,6$ days,$4,500],[F,5$ days,$3,500,3$ days,$7,000],[G,2$ days,$2,400,1$ day,$3,000],[$Total costs,,$$16,300,,$$$30,000$