Question:                        

On September 3, 20X3, Haynes purchased $1,000 of supplies, and debited the Supplies account.  At the end of September, $600 of these supplies remained on hand.  The adjusting entry at the end of September would include:

none of these answers are correct                      

a debit to Supplies Expense and a Credit to Supplies for $400.

a debit to Supplies and a Credit to Supplies Expense for $600.

a debit to Supplies Expense and a Credit to Supplies for $600.  

a debit to Supplies and a Credit to Supplies Expense for $400.