Answer:
Dr. Office Supplies Expense $900
Cr. Office supplies $900
Step-by-step explanation:
At the end of the period office supplies account requires an adjusting entry of the office supplies used during the period. It can be calculated as follow
Ending balance of Office supplies = Beginning balance of Office supplies + Purchases during the period - office supplies expense during the period
$1,200 = $1,100 + $1,000 - office supplies expense during the period
$1,200 = $2,100 - office supplies expense during the period
Office supplies expense during the period = $2,100 - $1,200
Office supplies expense during the period = $900
Journal Entry will be debited to office supplies expense account and credit to office supplies inventory account, which will increase the expenses and decrease the inventory.