Koehler makes handheld calculators and tomorrow is basic and professional Koehler estimated $721,000 of manufacturing overhead in 515,000 machine hours for the year the basic model actually consume 230,000 machine hours in a professional model consume 285,000 machine hours.

Requirements:

1. Compute the predetermined overhead allocation rate using machine hours (MHr) as the allocation base.
2. How much overhead is allocated to the basic model? To the professional model?