$4\mathrm{.}3$ Well Paid Ltd is a well$-$established organisation which provides many perks to all five of their employees. Their labour policy per employee is listed below:

$\backslash$table$[[$Basic salary.,R$5000$ per month$],[$Normal working hours,$\backslash$table$[[40$ hours per week $(5$ days at $8$ hours a day$)$;$],[52$ weeks per year$]]],[$Public holidays per annum,$9$ days$],[$Annual leave,$4$ weeks$],[$Idle time,$10\%$ of available time$],[$Annual bonus,$1$ month basic salary received at year end$],[$Housing subsidy,R$3000$ per quarter$]]$

Deduction details are provided below:

$\backslash$table$[[$PAYE$,15\%$ of taxable income$],[$Medical aid,$10\%$ on a $2$:$3$ basis between organisation and employee$],[$UIF$,3\%$ on a $50$:$50$ basis$],[$Pension fund,$7\mathrm{.}5\%$ of which the organisation is liable for $50\%$ of the contribution$]]$

Required:

$($a$)$ Calculate the weekly net wage per employee $($excluding annual bonus$).$

$($b$)$ Calculate the total annual cost to company for all employees working at Well Paid Ltd$.$

$($c$)$ Calculate the labour recovery rate.