Peterson Company estimates that overhead costs for the next year will be $6, 520,000 for indirect labor and $550,000 for factory utilities. The company uses machine hours as its overhead allocation base. If 140,000 machine hours are planned for this next year, what is the company's plant-wide overhead rate? A. $.02147 per machine hour. B. $50.50 per machine hour. C. $45.75 per machine hour. D. $3.9286 per machine hour. E. $.2545 per machine hour