Answer:
1.Plant overhead rate=Annual manufacturing overhead/total machine hours=$3311500/17900=$185/hour.
2.a) Potato chip line=$2070000/11500=$180/hour
b) Corn chip line = $763000/3500 = $ 218/hour
c) Cheese stuff line =$478500/2900= $ 165/ hour
Explanation:
1. we can find plant wide overhead rate by dividing overhead by machine hours.
2. we can find departmental overhead rate with respect to each departmental overhead and their machine hours.
3. Corn chip line have been over costed because more resource are used in corn line than plant wide.
4. Cheese stuff line have been under costed because less resources are used than plant wide.