At the end of August, Darling Company had completed Jobs 40 and 42. Job 40 is for 1,000 units, and Job 42 is for 200 units. The following data relate to these two jobs: On August 4, raw materials were requisitioned for production as follows: 700 units for Job 40 at $18 per unit and 1,200 units for Job 42 at $16 per unit. During August, Darling Company accumulated 500 hours of direct labor costs on Job 40 and 600 hours on Job 42. The total direct labor was incurred at a rate of $14 per direct labor hour for Job 40 and $10 per direct labor hour for Job 42. The predetermined factory overhead rate is $10.00 per direct labor hour. a. Determine the balance on the job cost sheets for Jobs 40 and 42 at the end of August. Job 40 $fill in the blank 1 Job 42 $fill in the blank 2 b. Determine the cost per unit for Jobs 40 and 42 at the end of August. If required, round your answers to the nearest cent.