Record the effect, if any, of the transaction entry or adjusting entry on the appropriate balance sheet category or on the income statement by entering the account name and amount and indicating whether it is an addition $(+)$ or subtraction $(-).$ Column headings reflect the expanded balance sheet equation; items that affect net income should not be shown as affecting stockholders' equity. The first transaction is provided as an illustration.

a$.$ During the month, the Supplies $($asset$)$ account was debited $$5,000$ for supplies purchased. The cost of supplies used during the month was $$3,600.$ Record the adjustment to properly reflect the amount of supplies used and supplies still on hand at the end of the month.

b$.$ An insurance premium of $$1,440$ was paid for the coming year. Prepaid Insurance was debited.

c$.$ Wages of $$9,600$ were paid for the current month.

d$.$ Interest revenue of $$750$ was received for the current month.

e$.$ Accrued $$2,100$ of commissions payable to sales staff for the current month.

f$.$ Accrued $$600$ of interest expense at the end of the month.

g$.$ Received $$6,300$ on accounts receivable accrued at the end of the prior month.

h$.$ Purchased $$1,800$ of merchandise inventory from a supplier on account.

i$.$ Paid $$450$ of interest expense for the month.

j$.$ Accrued $$2,400$ of wages at the end of the current month.

k$.$ Paid $$1,500$ of accounts payable.