Acer Corporation, which applies manufacturing overhead on the basis of machine-hours, has provided the following data for its most recent year of operations.

Estimated manufacturing overhead$224,550
Estimated machine-hours 4,500
Actual manufacturing overhead$224,000
Actual machine-hours4,440

The estimates of the manufacturing overhead and of machine-hours were made at the beginning of the year for the purpose of computing the company's predetermined overhead rate for the year.

The overhead for the year was:
a. $2,994 underapplied b. $2,444 overapplied c. $2,444 underapplied d. $2,994 overapplied