What is the average COGS for a high priority order shipped first class in the furniture category?

$$64\mathrm{.}89$

$$92\mathrm{.}64$

$$237\mathrm{.}95$

$$20\mathrm{.}79$

$$77\mathrm{.}73$

$$95\mathrm{.}99$

$$328\mathrm{.}41$

$$333\mathrm{.}30$