George Company uses a pre-determined overhead rate to apply overhead. The estimate for this year's overhead is $400,000. Machine hours are used to apply overhead. This year's estimate of machine hours is 50,000 hours. a) Compute the pre-determined overhead rate for George Company. b) If Job \#101 used DM of \$100, DL of \$500, and 10 machine hours, what was the total cost of the job? c) If total machine hours for the year were 49,000 and total actual factory overhead was $395,000, was factory overhead over or under applied and by how much