Answer:
The question is incomplete;The following additional information completes the question;
Supplies 31 January $1,800
Supplies Expense 31 January $1,920
Explanation:
The opening Balance of Supplies as at January 1 was;
Supplies-Closing $1,800
Supplies Purchased ($620)
Supplies Expense out $1,920
Supplies Opening January 1 $3,100
The T account is prepared in columnar form. The opening supplies balance at January 1 was $3,100