insurance expense paid during the year showed a balance of $680. of this amount, $120 was not paid in advance for the following year. If no adjustment is made at balance day, the net profit for the year would be?
A. overstated by $120
B. understated by $120
C. overstated by $680
D. understated by $680
The answer is B. but i dont understand why its understated by $120.

can someone pliz help me
