Be sure to solve each problem in a separate tab per the template. In addition, all math calculation cells must have formulas.

Ch$.9,$ problem #$3($b$),$ p$.388.$

Consider the following network for conducting a $2-$week $(10$ working days$)$ computer training class:

Given the following:

$\backslash$table$[[$ACTIVITY$,\backslash$table$[[$CRASH TIME$],[($days$)]],\backslash$table$[[$CRASHED COST$],[($total $$)]],\backslash$table$[[$NORMAL TIME$],[($days$)]],\backslash$table$[[$NORMAL COST$],[($$$)]]],[\backslash$table$[[$A$.$ Obtain$],[$instructor$]],4,$$$800,7,$$$500$