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Part $1$

The$$ three$-$station work cell at Pullman$$ Mfg$.,$ Inc., is illustrated in the figure below. It has two machines at station $1$ in parallel$($i$.$e$.,$ the product needs to go through only one of the two machines before proceeding to station$2).$

font size decreased by $1$ Bold Machine Upper Afont size decreased by $1$ Bold Machine Upper B

Station $1$

Station $1$

Station $2$

Station $3$

$30$ min$/$unit

$30$ min$/$unit

$3$ min$/$unit

$10$ min$/$unit

A figure has four rectangles. The first two are parallel and arranged vertically, with the first being on top and the second being on the bottom. The first rectangle is labelled "Station $1,$ Machine A$,30$ minutes per unit". The second rectangle is labelled "Station $1,$ Machine B$,30$ minutes per unit". An arrow points from these two rectangles to the third rectangle. The third rectangle is labelled "Station $2,3$ minutes per unit". An arrow points from the third rectangle to the fourth rectangle. The fourth rectangle is labelled "Station $3,10$ minutes per unit".

Part $2$

$$a$)$ The throughput timeLOADING... is

$$

enter your response here minutes. $($Enter your response as a whole$$ number.$)$