Asmi Deco Sdn$.$ Bhd$.$ is a well known mobile homes contractor. The company recently has

taken a project of converting old school bus into home. Activity M takes four $(4)$ weeks to

complete during normal time and during crashing period, the company needs to complete

activity M in three $(3)$ weeks, means activity M is allowed to crash maximum one $(1)$ week.

Table $2\mathrm{.}1$ shows detail activities, time and cost incurred for the project.