Q$\mathrm{.}6.$ Given the data below, work out the slope of the following activities:

Out of these, if activities $A,C,D$ and $E$ are on the critical path, which activity will you choose first to

reduce the duration by one time unit at a time?

Q$\mathrm{.}7.$ What is meant by PV$,$ EV and CV$?$ How do we calculate CV and SV$?$ What do you conclude about

the project status if $CV$ and $SV$ values are negative?

$3$