Convert Departmental Data to Plantwide Data, Plantwide Overhead Rate, Apply Overhead to Production At the beginning of the year, Hallett Company estamated the following: Assume that Hallett has decided to use a plantwide overhead rate based on direct labor hours. Actual data for the month of June are as follows: Required: 1. Calculate the predetermined plantwide overhead rate, Round your answer to the nearest cent. 5 x per direct labor hour 2. Calculate the overhead applied to production for the month of June. Use an overhead application rate that is rounded to the nearest and round your final answer to the nearest dollar. 1. Calculate the predetermined plantwide overhead rate. Round your answer to the nearest cent. X per direct labor hour 2. Calculate the overhead applied to production for the month of June. Use an overhead application rate that is rounded to th and round your final answer to the nearest dollar. $ 3. Calculate the overhead variance for the month of June