At January 1, 2020, Betty DeRose, Inc. reported work in process totaling $18,670. This balance was made up of three jobs having the following costs:
Job #171 Job #236 Job #412 total cost at Jan. 1, 2020 ..... $4,390 $6,370 $7,910
During 2020, Betty DeRose reported the following transactions:
a. Direct materials used were: Job #171, $6,700; Job #236, $4,100; and Job #412, $3,900.
b. Direct labor incurred was: Job #171, $5,000; Job #236, $2,800; and Job #412, $3,000.
c. Overhead was applied to jobs at a rate of 85% of direct labor cost.
d. Job #171, which consisted of 150 units, was completed and transferred to the finished goods warehouse.
e. Job #412, which consisted of 250 units, was completed and transferred to the finished goods warehouse.
f. 55 units from Job #171 were sold and shipped to the customer; the 55 units were sold at a total selling price of $12,000.
g. The actual overhead cost incurred during 2020 amounted to $10,000.
Calculate Betty's work in process inventory balance at December 31, 2020.