Excavator Alpha has worked on two different projects. The work details are recorded as shown in the table below. The numerical value of Swing$-$depth factor $(S)$ for project $1$ equals to $=$

$\backslash$table$[[,$Project $1,$Project $2],[$Productivity $\frac{m^3}{?}$ hour,$100,90],[$Cycles$/$ hour $($C$),200,180],[$Swing$-$depth factor $($S$),x,1],[$Bucket volume $m^3($V$),Y,0\mathrm{.}5],[$Bucket fill factor $($B$),1\mathrm{.}1,1],[$Job efficiency $($E$),0\mathrm{.}91,1]]$