July $1$ Purchased $$19,000$ of merchandise on credit from Hector Company, terms n$/15.$

July $4$ Sold merchandise costing $$770$ to C$.$ Paul for $$880$ cash.

July $8$ Purchased $$600$ of office supplies from Zhang Company on credit, terms n$/30.$

July $15$ Paid Hector $$19,000$ cash for the merchandise purchased on July $1.$

July $21$ Purchased $$1,020$ of store supplies on credit from Staples, terms n$/30.$

July $22$ Sold merchandise costing $$2,450$ to MicroTran for $$2,950$ on credit, terms n$/30.$

July $23$ Purchased office supplies from Depot for $$350$ cash.

July $25$ Purchased $$4,800$ of merchandise on credit from Alfredo Company, terms n$/30.$

July $27$ Paid employee salaries of $$2,100$ in cash.