$(2)$ The firm receives other income of $$2,000$ per month.

$(3)$ The firm's actual or expected purchases, all made for cash, are $$50,000,$ $$70,000,$ and $$80,000$ for the months of May through July, respectively.

$(4)$ Rent is $$3,000$ per month.

$(5)$ Wages and salaries are $10\%$ of the previous month's sales.

$(6)$ Cash dividends of $$3,000$ will be paid in June.

$(7)$ Payment of principal and interest of $$4,000$ is due in June.

$(8)$ A cash purchase of equipment costing $$6,000$ is scheduled in July.

$(9)$ Taxes of $$6,000$ are due in June.