Calculate the capacity buffer for each process in the mortgage processing simulation. Assume that the die roll representing daily capacity of a department was changed from $1$ to $6$ to $3$ to $9.$

$71\mathrm{.}4\%$

$33\mathrm{.}3\%$

$41\mathrm{.}7\%$

$50\mathrm{.}0\%$