Needham Company uses a job-order costing system. During the month of September, the company worked on three jobs. The job-order cost sheets for the three jobs contained the following information at the end of September:

The company applies overhead at 120% of direct labor cost. If Job B was sold for $28,000, what was the amount of gross margin for this job? (Ignore any consideration of underapplied or overapplied overhead.)

Beginning Balances Direct Materials Direct Labor Job A $5,200 2,200 3,600 Job B $4,200 2,800 5,800 Job C $7,200 3,200 3,000 Multiple Choice $15,200 O $15,240 $8,240 $19,760