Vintage Auto Company manufactures parts-to-order for antique cars. Vintage Auto makes everything from fenders to engine blocks. Each customer order is treated as a job. They currently have two jobs, No. 9823 and No. 9824, that are complete, although overhead has not yet been applied. The company wants to know what each job's cost would be under alternative overhead allocation rates based on: (1) direct labor cost, (2) direct labor hours, and (3) machine hours. Estimates for this year are as follows: Direct labor cost $300,000 Direct labor hours 25,000 Machine hours 8,000 Overhead costs $200,000 Depreciation on machinery accounts for 75 percent of the overhead costs. The job-cost sheets show the following: Job 9823 Job 9824 Direct material $1000 $1,650 Direct labor cost $1,400 $1,400 Direct labor hours 150 130 Machine hours 130 270 a. Determine the overhead allocation rate under the three suggested allocation bases. Round to two decimal places. b. Calculate the cost of Job 9823 and Job 9824 using each of the three bases. Round to two decimal places. c. Discuss which allocation base appears preferable.