Hobart, Evans, and Nix is a small law firm that contains 10 partners and 12 support persons. The firm employs a job-order costing system to accumulate costs chargeable to each client, and it is organized into two departments - the Research and Documents Department and the Litigation Department. The firm uses predetermined overhead rates to charge the costs of these departments to its clients. At the beginning of the year, the firm's management made the following estimates for the year: Department Research and Documents Litigation Research-hours 28,000 Direct attorney-hours 10,700 21,100 Legal forms and supplies 19,100 6,100 Direct lawyer cost 537,100 1,074,200 Departmental overhead cost 840,000 322,260 The predetermined overhead rate in the Research and Documents Department is based on research-hours, and the rate in the Litigation Department is based on direct lawyer cost. The costs charged to each client are made up of three elements: legal forms and supplies used, direct lawyer costs incurred, and an applied amount of overhead from each department in which work is performed on the case. Case 418-3 was initiated on February 16 and completed on May 23. During this period, the following costs and time were recorded on the case: Department Research and Documents Litigation Research-hours 21 Direct attorney-hours 5 91 Legal forms and supplies 80 28 Direct lawyer cost 230 5,800 Required: 1. Compute the predetermined overhead rate used during the year in the Research and Documents Department. (Round your answer to 2 decimal places.)