The table below lists the work elements $($in minutes$)$ to be performed on an assembly line and the precedence requirements that must be satisfied. Annual demand for the product will be $60,000$ units. The line will operate one shift $(2000$ hr$/$yr$).$ Expected line efficiency $($proportion uptime$)$ is $95\%.$ Repositioning time per cycle is $6$ sec$.$ Manning level is $1\mathrm{.}0$ for all stations. The products will be moved through the line by conveyor at a speed of $4$ ft$/$min$.$ All stations are of equal length, which is $10$ ft$.$ Determine $($a$)$ theoretical minimum number of workers, $($b$)$ actual number of workers, based on previous experience with similar lines in which the highest possible balance efficiency is $93\%,($c$)$ tolerance time, and $($d$)$ elapsed time a product spends on the line from when it is first launched at the front of the first station until it is finally removed after the last station. $($e$)$ Construct the precedence diagram and $($f$)$ solve the line balancing problem using the Kilbridge and Wester method$\mathrm{.}3-$ The table below lists the work elements $($in minutes$)$ to be performed on an assembly line

and the precedence requirements that must be satisfied. Annual demand for the product

will be $60,000$ units. The line will operate one shift $(2000h\frac{r}{y}r.$ Expected line efficiency

$($proportion uptime$)$ is $95\%.$ Repositioning time per cycle is $6sec.$ Manning level is $1\mathrm{.}0$ for

all stations. The products will be moved through the line by conveyor at a speed of $4f\frac{t}{m}in.$

All stations are of equal length, which is $10ft.$ Determine $($a$)$ theoretical minimum number

of workers, $($b$)$ actual number of workers, based on previous experience with similar lines

in which the highest possible balance efficiency is $93\%,($c$)$ tolerance time, and $($d$)$ elapsed

time a product spends on the line from when it is first launched at the front of the first

station until it is finally removed after the last station. $($e$)$ Construct the precedence diagram

and $(f)$ solve the line balancing problem using the Kilbridge and Wester method.