Question $27(4$ points$)$

$($Ch$5)$ Construct a FROM$-$TO chart for the following data on a separate piece of paper. What is the efficiency of the layout? The arrangement of the facility is given as: R B C D F W S

Part$\backslash$# Wt$.$ Factor Operation Sequence

X$25$ RDCDS

Y$2$W $2$ RCDBFS

X$73$ RFDCBS

WD $4$ RBCFWS

a$)\backslash (45\mathrm{.}3\backslash \%\backslash )$

b$)\backslash (44\mathrm{.}5\backslash \%\backslash )$

c$)\backslash (47\mathrm{.}1\backslash \%\backslash )$

d$)\backslash (46\mathrm{.}2\backslash \%\backslash )$