$\backslash$table$[[$Activity$,$Units,$($per unit$),($per unit$)],[$Beginning inventory,$10,$$$8\mathrm{.}00,],[$Purchase $1,$ Dec. $2,22,8\mathrm{.}80,],[$Purchase $2,$ Dec. $5,26,9\mathrm{.}05,$$$20\mathrm{.}00$