Determine, using graphic linear programming,the production combination for zek Ltd which maximises daily profit. $9\mathrm{.}2\mathrm{.}2$ ADVANCED MANAGERIAL ACCOUNTING $\backslash ([100]\backslash )$ QUESTION ONE $\backslash ([40]\backslash )$ Zek Ltd assembles heavy industrial switchboxes. Hitherto, Zek Ltd has assembled only one type, but recently a decision was made to expand the product range into two types. Tha fnllowina data pertains to each switchbox: Zek Ltd$\text{'}$s total general fixed costs per day amount to R$27000.$ The organisation operates its factory $24$ hours per day and this equates to one operating cycle. Each switchbox goes through two processes, namely assembly and testing. The number of units which can be assembled or tested in one operating cycle is as follows:Zek Ltd is limited to $600$ assembly hours and $400$ testing hours in one operating cycle. Management is anxious to ascertain the following, but are unsure as to how to determine these factors: $1.$ The most profitable daily $($that is$,$ in one operating cycle$)$ production combination.