two operations for a complete batch is $9$ minutes.

Determine the value$-$added, non$-$value$-$added, and total lead times, and the value$-$added ratio under the traditional and lean manufacturing methods. If required, round percentages to one decimal place.

Traditional Philosophy Lean Manufacturing Philosophy

$\backslash$begin$\{$tabular$\}\{$l$|$l$|$l$|$l$\}$

$\backslash$hline Value$-$added time & min & min $\backslash \backslash$

Non$-$value$-$added time & $\backslash (\backslash$square $\backslash$mathrm$\{$min$\}\backslash )$ & min $\backslash \backslash$

Total lead time & $\backslash (\backslash$square $\backslash )$ & min & min $\backslash \backslash$

Value$-$added ratio $($as a percent$)$ & $\backslash (\backslash$square $\backslash )$ & $\backslash (\backslash \%\backslash )$

$\backslash$end$\{$tabular$\}$