Fossil Manufacturing uses a predetermined overhead rate of $17.80 per direct labor-hour. This predetermined rate was based on 11,000 estimated direct-labor-hours and $195,800 of estimated total manufacturing overhead. The company incurred actual manufacturing overhead costs of $194,000 and 10,500 direct labor-hours. Required: a. Determine the amount of underapplied or overapplied manufacturing overhead for the period. b. Assuming that the company closed manufacturing overhead to cost of goods sold, make the journal entry to close manufacturing overhead. c. What is the effect of this entry on the company's gross margin?