Pell Corporation manufactures computers. Assume that Pell: - allocates manufacturing overhead based on machine hours - estimated 10,000 machine hours and $88,000 of manufacturing overhead costs - actually used 13,000 machine hours and incurred the following actual costs: (Click the icon to view the actual costs.) What is Pell's predetermined overhead allocation rate? A. $6.31/ machine hour B. $8.80/ machine hour C. $8.20/ machine hour D. $6.77/ machine hour