Final answer:
Standard costing is developed and used for planning purposes, control purposes, and product costing purposes.
Step-by-step explanation:
The answer to the question is option D: all of these.
Standard costing is developed and used for planning purposes, control purposes, and product costing purposes. It is a management accounting technique that involves setting predetermined standards for costs and then comparing actual costs to these standards to determine variances.
For planning purposes, standard costing helps in setting budgets and forecasts, determining future expenses, and evaluating the financial feasibility of business plans. For control purposes, it helps in monitoring and controlling costs by identifying deviations from the standards and taking corrective actions. And for product costing purposes, it provides a basis for determining the cost of manufacturing a product, including both direct and indirect costs.