Grenier & Company is an architectural firm specializing in home remodeling for private clients and new office buildings for corporate clients. Grenier charges customers at a billing rate equal to 128% of the client's total job cost. A client's total job cost is a combination of (1) professional time spent on the client ($63 per hour cost of employing each professional) and (2) operating overhead allocated to the client's job. Grenier allocates operating overhead to jobs based on professional hours spent on the job. Grenier estimates its five professionals will incur a total of 10,000 professional hours working on client jobs during the year. (Click the icon to view the operating cost information.) Annabelle Lawson hired Grenier to design her kitchen remodeling. A total of 20 professional hours were incurred on this job. In addition, Lawson's remodeling job required one of the professionals to travel back and forth to her house for a total of 150 miles. The blueprints had to be copied four times because Lawson changed the plans several times. In addition, 13 hours of secretarial time were used lining up the subcontractors for the job. Read the requirements. Requirement 1. Calculate the current indirect cost allocation rate per professional hour. (Round your answer to the nearest cent.) The current indirect cost allocation rate per professional hour is $ 26.40 Data table All operating costs other than professional salaries (travel reimbursements, copy costs, secretarial salaries, office lease, and so forth) can be assigned to the three activities. Total activity costs, cost drivers, and total usage of those cost drivers are estimated as follows: Requirement 2. Calculate the total amount that would be billed to Lawson given the current costing structure. Determine the formula, then calculate the amount that would be billed to Lawson given the current costing structure. (Round all amounts to the nearest cent.) Total cost of job 1260 Markup percentage 128% = Amount billed to client 1612.8 Activity Office support Total Activity Cost Cost Driver Total Usage by Corporate Clients Transporation to clients $ Blueprint copying 9,000 Round-trip mileage to clients .. 6,000 miles 35,000 Number of copies 400 copies Total Usage by Private Clients 9,000 miles 600 copies 220,000 Secretarial time 2,400 secretarial hours 2,600 secretarial hours $ 264,000 Total operating overhead Print Done