Answer:
Supplies expense for the year 3,100 dollars .
Step-by-step explanation:
Supplies/stock/inventory is recognized as asset on it initial recognition. They are expensed when they are sold. Unsold supplies/stock/inventory is reported as asset in balance sheet. So in order to tell supplies expense we have to calculate amount of supplies sold.
Opening + purchase = closing + sale
2,700 + 3,600 = 3,200 -sale
Sale = 3,100 dollars