Efficiency variance is calculated by subtracting the budgeted input quantity from the actual input quantity. In this scenario, the calculation is 200 units (actual) minus 50 units (budgeted), which equals 150 units. This variance represents the excess quantity used beyond the standard requirement.

In variable costing, only variable manufacturing costs are included in product costs. Fixed manufacturing costs are treated as period costs and are expensed in the income statement in the period they are incurred, rather than being attached to the units produced.

Standard costing involves setting predetermined costs for materials, labor, and overhead. By applying these standard rates to the actual output, companies can measure efficiency and cost control. It allows management to compare actual performance against established benchmarks, identifying variances that help in evaluating operational effectiveness and maintaining budget discipline within the manufacturing process.

The sales mix variance is calculated by finding the difference between the budgeted contribution margin based on the planned mix and the budgeted contribution margin based on the actual mix. Here, $35,000 minus $27,000 equals $8,000. This variance highlights the financial impact of selling a different proportion of products than originally anticipated, which is essential for evaluating the effectiveness of the company's sales strategy and product positioning.

Quantitative research methods are valued for their objectivity. By relying on numerical data and statistical analysis, these methods minimize researcher bias, provide measurable results, and allow for the systematic testing of hypotheses, which is essential for accurate cost estimation and financial decision-making.

To determine the selling price, calculate the markup amount by multiplying the cost base ($350) by the markup percentage (0.11), which equals $38.50. Adding this markup to the original cost base ($350 + $38.50) results in a total selling price of $388.50.

The provided answer appears to be based on a calculation of 450 multiplied by 250, resulting in 112,500. While standard accounting practice defines overhead per unit as total cost divided by units, this specific question context implies a total allocation calculation rather than a per-unit rate.

Allocating fixed manufacturing overhead involves applying a predetermined or actual rate to the actual volume of the allocation base used. This calculation determines the portion of total fixed overhead costs that should be assigned to a specific product, service, or department, ensuring that all manufacturing costs are accounted for in the final product cost calculation.

Capacity represents the volume of production used to spread fixed costs across units. By dividing total budgeted fixed manufacturing costs by the planned capacity, a company derives a fixed cost per unit, which is essential for accurate product costing and inventory valuation.

The write-off variance approach is often employed in cost accounting systems to handle overhead variances when inventory levels are zero. By writing off the variance directly to the cost of goods sold, the firm simplifies its accounting process. This method is particularly relevant when there is no beginning inventory to absorb the variance, ensuring that all costs incurred during the period are recognized in the income statement immediately.