Tarrant Corporation has two manufacturing departments-Casting and Finishing. The company used the following data at the beginning of the year to calculate predetermined overhead rates: 02:16:50 Estimated total machine-hours (MS) Estimated total fixed manufacturing overhead coat Estimated variable manufacturing overhead cont per MM Casting Finishing Total 1,000 4,000 5,000 $5,700 $11,200 $16,900 1.30 $ 2.90 Assume that the company uses departmental predetermined overhead rates with machine hours as the allocation base in both departments. The departmental predetermined overhead rate in the Casting Department is closest to