Given the information in the table, the average variable cost at $9$ units of production is

$\backslash$table$[[l,IC,MC,$AVC$],[0,200,-,-],[2,400,,100],[5,600,66\mathrm{.}67,80],[9,800,50\mathrm{.}00,],[12,1000,66\mathrm{.}67,66\mathrm{.}67],[14,1200,100,71\mathrm{.}43],[15,1400,200,80\mathrm{.}00]]$

$$22\mathrm{.}22$

$$88\mathrm{.}89$

$$94\mathrm{.}44.$

$$66\mathrm{.}67.$