4. Wall, Inc., has identified the following overhead costs and cost drivers: Activity Estimated Cost Cost Driver Setups $ 10,000 Number of setups 500 Ordering $16,000 Number of orders 4,000 $40,000 Number of machine Maintenance 8,000 hours Number of kilowatt Power $25,000 hours 50,000 The following are two of the jobs completed during the year: Job 25 Job 18 Direct materials $5,000 $3,000 Direct labor $1,400 $2,400 Units completed 300 150 Number of direct labor 100 70 hours Number of setups 2 8 Number of orders 8 12 Number of machine hours 25 15 Number of kilowatt hours 60 100 The company's normal activity is 4,000 direct labor hours. a. If Wall uses direct labor hours to allocate overhead costs, what is the total cost for Job 25? b. If Wall uses machine hours to allocate overhead costs, what is the total cost of Job 25? (Do not round your final answer.) c. If Wall uses ABC drivers to allocate overhead costs, what is the total cost for Job 25 using the provided tables