Journalize each of the following transactions assuming a perpetual inventory system

September $1$ Purchased $$12,750$ of merchandise inventory, terms $4/10,$ n$/30$

$9$ Paid for the September $1$ purchase

$14$ Purchased $$17,400$ of merchandise inventory terms $6/15,$ n$/30$

$21$ Paid for the September $14$ purchase, less the applicable discount.