Johnson Company uses a job-order costing system and started the month of July with four jobs in process. The cost of beginning work in process plus the costs added during July are shown below: beginning cost beginning cost Job A $4,900 Job E $7,700 Job 0 $6,300 Job U $2,100 COSTS ADDED DURING JULY: direct materials used direct labor cost direct materials used direct labor cost Job A Job E $5,200 $3,900 $6,400 $4,300 Job O Job U $4,600 $2,800 $5,100 $3,700 Johnson Company applies overhead to jobs at a rate of 75% of direct materials used. During July, Johnson completed and sold Job A. Job O was completed during July, but was not sold as of the end of July. Neither Job E nor Job U was completed in July. Johnson Company had actual overhead cost of $8,500 for July. Calculate Johnson Company's work in process inventory balance at July 31.