Cullumber Distribution markets CDs of numerous performing artists. At the beginning of March. Cullumber had in beginning inventory $2800CD,$ with a unit cost of Sa co$.$ During March. Cullumber made the following purchases of $C{D}_2$

$\backslash$table$[[$March $5,1,900$ @ $$9\mathrm{.}00,$March $21,5200($e$)$ $$1100$