$($iii$)$ Isles Ltd require a kanban system for a specific part number AB$-12345-$AA which is going to be supplied by Gamma Ltd in containers, each of quantity $3.$ The weekly demand by day for this part number $($in units$)$ over the past six weeks has been as indicated in Table $6\mathrm{.}1$ and it has been agreed that the delivery frequency will be twice daily and the kanban signal will be via a $9$ am and Ipm daily email.

Table $6\mathrm{.}1$: Demand for Part$-$Number AB$-12345-$AA by week for six weeks

$\backslash$table$[[$Day$/$Week$,1,2,3,4,5,6$