Consider the following information for Sandy's Cleaning Service.

$\backslash$table$[[$Service$,$Service mix,$\backslash$table$[[$Labor hours$],[$per job$]]],[$Light cleaning,$22\%,0\mathrm{.}31],[$Medium cleaning,$50\%,0\mathrm{.}36],[$Deep cleaning,$28\%,0\mathrm{.}56]]$

a$.$ The weighted planning value for labor hours per job is

$($Enter your response rounded to two decimal places.$)$

b$.$ Recalculate the weighted planning value based on a new service mix of $8\%,80\%,$ and $12\%$ for light, medium, and deep cleaning, respectively.

The new weighted planning value for labor hours per job is

$($Enter your response rounded to two decimal places.$)$