Cullumber Distribution markets CDs of numerous performing artists. At the beginning of March, Cullumber had in beginning inventory $2,700$ CDs with a unit cost of $$6\mathrm{.}00.$ During March, Cullumber made the following purchases of CDs$.$

$\backslash$table$[[$March $5,2,200,$@$,$$$7\mathrm{.}00,$March $21,5,150,$@$,$$$9\mathrm{.}00$