a total of $4,200 in supplies was purchased during the year. at the end of the year $1,100 of the supplies were left. the adjusting entry needed at the end of the year is: multiple choice debit supplies $2,700; credit supplies expense $2,700 debit supplies expense $3,100; credit supplies $3,100 debit supplies expense $1,100; credit supplies $1,100 debit supplies $3,100; credit supplies expense $3,100
