M-F Inc. uses direct labor hours to allocate overhead. M-F expects 4,000 direct labor hours in June. The variable overhead rate is $6.15 per direct labor hour. Next month's budgeted fixed overhead is $56,000, which includes depreciation of $7,500. All other fixed costs represent current cash flows. Each month the company recomputes its predetermined overhead rate. What should the predetermined total overhead application rate per direct hour be for June?