Transactions:

Jan. $6$ Purchased $40$ units from Printers Plus for $$10\mathrm{.}24$ per unit, $2110,$ n$/30.$ P$361.$

Apr. $5$ Sold $44$ units to Glenvile Hospital, n$/30.5812$

$14$ Purchased $40$ units from Printers Plus for $$10\mathrm{.}36$ per unit, $2/10,$ n$/30.$ P$437.$

Jul. $5$ Sold $50$ units to Hills Department Stare, n$/30.$ S$971.$

Aug. $3$ Purchased $40$ units from Printers Plus for $$10\mathrm{.}46$ per unit, $\frac{2}{10},\frac{n}{30}.$ P$512.$

Dec. $2$ Sold $30$ units to ABC Company, n$/30.51186.$

$12$ Purchased $40$ units from Printers Plus for $$10\mathrm{.}54$ per unit, $2110,$ n$/30.$ P$556.$