There are six stages in a semi$-$automated process and the

relevant details are given in Table $8\mathrm{.}6.$

Table $8\mathrm{.}6$ Details of the Stages

Process

Step

Process

Time

Equipment Labour

Step $120$ seconds Machine A Worker A

Step $245$ seconds Machine B No

workers

Step $310$ seconds Machine C Worker A

Step $420$ seconds No resources No

worker

Step $55$ seconds Machine D Worker B

Step $610$ seconds No resources Worker B

Use this information to answer the following questions:

$($a$)$ How long will it take to respond to an arriving order?

$($b$)$ What is the daily production if the system works for

$8$ hours every day?

$($c$)$ Develop a resource loading chart for the manpower

and equipment usage.

$($d$)$ What is the utilization of each resource in the system?

$($e$)$ If we need to increase the production by $25$ per cent,

what should we do