Information: At the beginning of the year, Sorrel Company estimated the following: Machining Assembly Department Department Total Overhead $240,000 $360,000 $600,000 Direct labor hours 135,000 240,000 375,000 Machine hours 200,000 200,000 Sorrel has decided to use a plantwide overhead rate based on direct labor hours. Actual data for the month of June are as follows: Machining Assembly Department Department Total Overhead $22,500 $30,750 $53,250 Direct labor hours 11,000 20,000 31,000 Machine hours 17,000 17,000 Required: 1. Calculate the predetermined plantwide overhead rate. 2. Calculate the overhead applied to production for the month of June. 3. Calculate the overhead variance for the month of June