Walk Like You, Ltd. is a manufacturer and uses a job order costing system. It uses a single, plantwide predetermined overhead rate, and applies overhead at a rate of 140% of direct labor dollars. During the current period, job L8 was started and completed. It was found that Job L8 used $2,800 of direct materials and $1,700 of direct labor during the period. What is the total cost that should be assigned to this job for the period?

a. $4,080

b. $6,300

c. $2,380

d. $6,880

e. $8,420