Question
Scooter Ltd manufactures scooters for the domestic market using a highly automated process. The company uses a standard costing system for planning and control purposes
Scooter Ltd manufactures scooters for the domestic market using a highly automated process. The company uses a standard costing system for planning and control purposes and has prepared a standard cost sheet based on a practical capacity (denominator level) of 20,000 scooters (200,000 machine hours).
Standard Cost Sheet
Direct Materials (10 kg @$9.00 per kg)........................................................ $90.00
Direct Labour (3 hours @ $20.00 per hour).................................................. $60.00
Variable Overhead (10 machine hours @ $4.00 per machine hour) ............ $40.00
Fixed Overhead (10 machine hours @ $5.00 per machine hour)................. $50.00
Standard cost per barbecue ......................................................................... $240.00
The Manufacturing Department Budget was prepared based on the forecast need to manufacture 18,000 scooters. During the year, 20,000 scooters were actually made.
At year end, the manufacturing department (cost) performance report is as below:
........................................Actual Master Budget ..........@ Std Cost ................Variance
Number of units ......................20,000 .............................18,000 .....................2,000
Direct Materials ..................$2,576,500 .........................$1,620,000 ................$956,500 U
Direct Labour .....................$1,516,000............................ $1,080,000................ $436,000 U
Variable Overhead ...............$861,000 .........................$720,000 .....................$141,000 U
Fixed Overhead ..................$970,000 ............................$900,000 ...................$70,000 U
Total ..................................$5,923,500 .........................$4,320,000 ................$1,603,500 U
After viewing the report, the company CEO was concerned. He wants to know what is going on in the Manufacturing Department. The accountant has directed you to investigate the variances further. As part of your investigations, you have discovered the following:
335,000 kg of raw materials were purchased and used during the year;
72,000 direct labour hours were worked during the year;
210,000 machine hours were worked during the year;
During the year a factory supervisor retired and was not replaced;
Defective materials delivered by a supplier had gone undetected before use in production. This defective material caused the additional use of 30,000 kg of raw materials; 1,000 labour hours, and 2,500 machine hours to meet the required production.
REQUIRED: Calculate the following manufacturing variances for:
Direct materials price variance based on usage
Direct materials efficiency variance
Direct manufacturing labour price variance
Direct manufacturing labour efficiency variance
Variable manufacturing overhead spending variance
Variable manufacturing overhead efficiency variance
Fixed overhead spending variance
Production volume variance Indicate whether each variance is favourable or unfavourable. (27 marks)
b. Provide a short statement to the CEO regarding the potential causes of the following variance and a practical recommendation to address each variance: direct materials efficiency variance (4 marks) labour efficiency variance (4 marks) variable overhead efficiency variance (4 marks)
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