CEMEX® fabricates large concrete slabs. The company had achieved remarkable grow

Question

CEMEX® fabricates large concrete slabs. The company had achieved remarkable growth in recent years, becoming an important player in the production of specialized concrete slabs that are used in commercial buildings and high rises. Despite its rapid growth and rise in sales, CEMEX has experienced a significant rise in production costs recently, forcing managers to look into the causes of this problem. To better manage production costs, assume that you and your teammates were hired by the company as cost accountants to help them design a standard costing system to monitor production costs at the concrete slab factory. Setting Cost Standards To gather information for creating the cost standards for the fiscal year (2013), you first studied the accounting and production records for the past year. Then, you reviewed the 2013 fiscal year’s production scheduled, which showed a planned production volume of 90,000 concrete slabs. Direct costs standards You also identified the following production inputs and direct costs for producing the slabs: cement mix, sand, water, and direct labor. Because sand and water are readily available at a plant’s reservoir, the company does not incur any costs for these two inputs. Therefore, the only material cost incurred is for the cement mix. After speaking with process engineers, the standard cost per cement mix is set at $10 per ton of cement. You also estimate that it should take about 1 ton of cement mix per each slab of concrete. In addition, the cost standard for direct labor is set at $10 per hour, and the standard of quantity of labor required to produce 100 slabs of concrete is set at one direct labor hour. In other words, it costs about $0.10 cents in direct labor to produce one single concrete slab. Manufacturing overhead cost standards You turn next to estimate manufacturing overhead costs. Variable overhead costs consisted of the salaries of supervisors, depreciation of equipment, and electricity costs mainly related to the use of the ovens and machinery. You estimated the fiscal year’s variable manufacturing overhead costs at $80,000 and decided to use direct labor hours to allocate variable manufacturing overhead into units of output (slabs). You also estimated that the plant would work 40,000 direct labor hours on the fiscal year. Thus, the variable overhead standard rate is set at $2 per direct labor hour. 2 You then classified all remaining overhead costs as fixed and estimated the fiscal year’s fixed overhead spending at $180,000. After considering several allocation bases for the fixed overhead costs, you decided that volume of production would be appropriate as the allocation base to apply fixed overhead costs. With a planned production of 90,000 slabs for the fiscal year, the standard fixed overhead allocation rate is set at $2 per unit of output (per slab). Refer to Exhibit 1 for a summary of the costs standards mentioned previously. Actual results The following actual costs and production data are reported at the plant at the end of the fiscal year (assume that the fiscal year has already ended): • 100,000 slabs were produced. • The company purchased 130,000 tons of cement mix for $975,000. • 120,000 tons of cement mix was used in production. • Direct labor costs incurred were $16,500 and 1,100 direct labor hours were worked during the year. • Actual fixed manufacturing overhead costs amounted to $175,000 and variable manufacturing overhead to $2,500. EXHIBIT 1 – Summary of Direct and Overhead Cost Standards Production Inputs Standard Direct materials: Cost of cement mix $10 per ton Quantity of cement mix 1 ton per slab Standard cost per slab ($10 per ton x 1 ton per slab) $10 per slab Direct labor: Labor pay rate $10 per hour Quantity of labor per unit of output 100 slabs per labor hour Standard cost per slab ($10 per hour x 1 hour per 100 slabs) 0.10 cents per slab Fixed manufacturing overhead: Planned (budgeted) fixed overhead $180,000 Volume of allocation base (slabs produced) 90,000 slabs Standard cost per slab ($180,000 ÷ 90,000 slabs) $2 per slab Variable manufacturing overhead: Planned (budgeted) variable overhead $ 80,000 Volume of allocation base (direct labor hours) 40,000 direct labor hours Standard cost per slab ($80,000 ÷ 40,000 slabs) $2 per direct labor hour 3 Requirements

Prepare the necessary journal entries to record the production costs and the corresponding cost variances for direct materials, direct labor, variable and fixed overhead in the accounting books.

Explanation / Answer

date account titles and explanations debit credit direct materials inventory 1300000 (130000*std cost of $10) direct materials price variance 325000 ($10-$7.5)/130000 (F) accounts payable 975000 actual cost (recording of purchase of cement mix & related price variance) work in process account 1000000 (std cost 1*100000*10) direct materials quantity variance 200000 unfavorable variance direct materials inventory 1200000 (120000*10) (to record materials issued for production) work in process account 10000 (100000*0.10-std labor cost direct labor rate variance 5500 1100*(15-10) direct labor efficiency variance 1000 (1100-1000)*10 wages payable 16500 actual cost incurred (to record wages payable and variances) varable manufacturing overhead control 2500 accounts payable & other accounts 2500 (to record variable overhead incurred) work in process account 2000 1000*2 variable overhead efficiency variance 300 (1150-1000)*2-unfavorable variable manufacturing spending variance 200 2500-1150*2--unfavorable variable manufacturing overhead control 2500 (to record variable OH allocation and varianes) fixed manufacturing overhead control 175000 salaries payable & other accounts 175000 (to record fixed overhead incurred) work in process account 200000 (100000*2) fixed overhead volume variance 20000 (100000-90000)*2 - favorable fixed overhead spending variance 5000 (180000-175000) favorable fixed manufacturing overhead control 175000 (to record fixed overhead application & variances)

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