A Project Consists of Six Activities (All Times Are Given

Essay

A project consists of six activities (all times are given in days).Provide the range of days during which resource usage is highest and the range of days during which resource usage is lowest using an early start schedule.
$$\begin{array} { | l | l | l | l | } \hline \text { Activity } & \text { Activity time } & \text { Activity Cost } & \text { Predecessor } \\\hline \mathbb { K } & 10 & 140 & \\\hline \mathrm { L } & 8 & 64 & \mathrm {~K} , \mathrm { M } \\\hline \mathrm { M } & 12 & 96 & \\\hline \mathbb { N } & 6 & 120 & \mathbb { M } \\\hline \mathbb { P } & 14 & 168 & \mathrm {~L} \\\hline \mathbf { Q } & 12 & 144 & \mathbb { N } \\\hline\end{array}$$