(a) Determine the overhead application rate.

(b) Determine how much overhead was applied to production.

(c) Calculate the total overhead variance, controllable variance, and volume variance.

(d) Decide which overhead variances should be investigated.

**second time asking this problem... The answer for part A is NOT 28.90! Thank you

Ana Carillo and Associates is a medium-sized company located near a large metropolitan area in the Midwest. The company manufactures cabinets of mahogany, oak, and other fine woods for use in expensive homes, restaurants, and hotels. Although some of the work is custom, many of the cabinets are a standard size. One such non-custom model is called Luxury Base Frame. Normal production is 940 units. Each unit has a direct labor hour standard of 5 hours. Overhead is applied to production based on standard direct labor hours. During the most recent month, only 850 units were produced; 4,200 direct labor hours were allowed for standard production, but only 3,800 hours were used. Standard and actual overhead costs were as follows. Standard (940 units) Actual (850 units) Indirect materials Indirect labor (Fixed) Manufacturing supervisors salaries (Fixed) Manufacturing office employees salaries (Fixed) Engineering costs Computer costs Electricity (Fixed) Manufacturing building depreciation (Fixed) Machinery depreciation (Fixed) Trucks and forklift depreciation Small tools (Fixed) Insurance (Fixed) Property taxes $ 11,300 40,600 21,200 12,300 25,500 9,400 2,400 7,500 2,800 1,400 660 470 280 $ 11,600 48,100 20,800 11,800 23,600 9,400 2,400 7,600 2,800 1,400 1,320 470 280 $141,570 Total 135,810 SS