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\begin{tabular}{|c|c|c|}
\hline
& \begin{tabular}{l}
Flexible \\
Budget \\
[tex]$\$[/tex] 260,000[tex]$
\end{tabular}
& \begin{tabular}{l}
Actual \\
\$[/tex] 260,000
\end{tabular} \\
\hline
\begin{tabular}{l}
Sales (5,000 pools) \\
Variable expenses:
\end{tabular}
&
&
\\
\hline
\begin{tabular}{l}
Variable expenses: \\
Variable cost of goods sold*
\end{tabular}
& 84,500
& 98,865
\\
\hline
Variable selling expenses
& 17,000
& 17,000
\\
\hline
Total variable expenses
& 101,500
& 115,865
\\
\hline
Contribution margin
& 158,500
& 144,135
\\
\hline
Fixed expenses:
&
&
\\
\hline
Manufacturing overhead
& \begin{tabular}{l}
65,000 \\
83,000
\end{tabular}
& \begin{tabular}{l}
65,000 \\
83,000
\end{tabular}
\\
\hline
\begin{tabular}{l}
Selling and administrative \\
Total fixed expenses
\end{tabular}
& 148,000
& 148,000
\\
\hline
Net operating income (loss)
& [tex]$\$[/tex] 10,500[tex]$
& $[/tex]\[tex]$ (3,865)$[/tex]
\\
\hline
\end{tabular}

Contains direct materials, direct labor, and variable manufacturing overhead.

Janet Dunn, who has just been appointed general manager of the Westwood Plant, has been given instructions to "get it under control." Upon reviewing the plant's income statement, Ms. Dunn has concluded that the major problem lies in the variable cost of goods sold. She has been provided with the following standard cost per swimming pool:

\begin{tabular}{|l|l|r|r|}
\hline
& \textbf{Standard} & \textbf{Quantity or} & \textbf{Standard} \\
& \textbf{Cost Element} & \textbf{Hours} & \textbf{Price or Rate} & \textbf{Cost} \\
\hline
Direct materials & 3.3 pounds & \[tex]$2.80 per pound & \$[/tex]9.24 \\
Direct labor & 0.8 hours & \[tex]$7.40 per hour & \$[/tex]5.92 \\
Variable manufacturing overhead & 0.6 hours
& \[tex]$2.90 per hour & \$[/tex]1.74 \\
\hline
Total standard cost per unit & & & & \[tex]$16.90 \\
\hline
\end{tabular}

*Based on machine-hours.

During June, the plant produced 5,000 pools and incurred the following costs:
a. Purchased 21,500 pounds of materials at a cost of \$[/tex]3.25 per pound.
b. Used 16,300 pounds of materials in production. (Finished goods and work in process inventories are insignificant.)

1. Compute the material price variance and the material quantity variance for June.
2. Determine the labor rate variance and the labor efficiency variance for June.
3. Calculate the variable overhead spending variance and the variable overhead efficiency variance for June.


Sagot :

Certainly! Let's go through a step-by-step solution to analyze the variable cost of goods sold and understand where the problem may be lying.

### Step-by-step Analysis:

1. Calculate Total Amount Spent on Materials:

- Material Purchased: 21,500 pounds
- Actual Cost per Pound: [tex]$3.25 \[ \text{Total Material Cost} = \text{Material Purchased} \times \text{Actual Cost per Pound} \] \[ \text{Total Material Cost} = 21,500 \times 3.25 = \$[/tex]69,875
\]

2. Calculate Standard Material Cost for Actual Production:

- Pools Produced: 5,000
- Standard Material Pounds per Pool: 3.3
- Standard Cost per Pound: [tex]$2.80 \[ \text{Standard Total Material Pounds} = \text{Pools Produced} \times \text{Standard Material Pounds per Pool} \] \[ \text{Standard Total Material Pounds} = 5,000 \times 3.3 = 16,500 \, \text{pounds} \] \[ \text{Standard Total Material Cost} = \text{Standard Total Material Pounds} \times \text{Standard Cost per Pound} \] \[ \text{Standard Total Material Cost} = 16,500 \times 2.80 = \$[/tex]46,200
\]

3. Calculate Material Price Variance:

- Actual Material Used: 16,300 pounds
- Actual Cost per Pound: [tex]$3.25 - Standard Cost per Pound: $[/tex]2.80

[tex]\[ \text{Material Price Variance} = (\text{Actual Cost per Pound} - \text{Standard Cost per Pound}) \times \text{Actual Material Used} \][/tex]
[tex]\[ \text{Material Price Variance} = (3.25 - 2.80) \times 16,300 = 0.45 \times 16,300 = \$7,335 \][/tex]

4. Calculate Material Quantity Variance:

- Actual Material Used: 16,300 pounds
- Standard Total Material Pounds for Production: 16,500 pounds
- Standard Cost per Pound: [tex]$2.80 \[ \text{Material Quantity Variance} = (\text{Actual Material Used} - \text{Standard Total Material Pounds}) \times \text{Standard Cost per Pound} \] \[ \text{Material Quantity Variance} = (16,300 - 16,500) \times 2.80 = -200 \times 2.80 = -\$[/tex]560
\]

5. Calculate Total Material Variance:

[tex]\[ \text{Total Material Variance} = \text{Material Price Variance} + \text{Material Quantity Variance} \][/tex]
[tex]\[ \text{Total Material Variance} = 7,335 + (-560) = \$6,775 \][/tex]

### Summary of Findings:

- Total Material Cost: [tex]$69,875 - Standard Total Material Cost: $[/tex]46,200
- Material Price Variance: [tex]$7,335 - Material Quantity Variance: -$[/tex]560
- Total Material Variance: $6,775

### Conclusion:

The direct materials' actual cost is significantly higher than the standard cost, primarily due to the price variance. This means that the primary issue is with the price being paid for the materials, which is higher than the standard expected rate. Additionally, there is a slight efficiency in the quantity of materials used, as seen in the negative quantity variance. Overall, Ms. Dunn should focus on negotiating better prices for materials to bring the variable cost of goods sold under control.