The correct answer is: A. is sometimes used as a basis for cost planning and product pricing.
Life cycle costing is a technique that considers all the costs associated with a product or service over its entire life cycle, from research and development to disposal. This includes both direct and indirect costs, such as manufacturing, marketing, and customer service costs. Life cycle costing can be used to identify cost savings opportunities and to make more informed decisions about product development and pricing.
Option B is incorrect because life cycle costing includes all the costs associated with a product or service over its entire life cycle, not just manufacturing costs.
Option C is incorrect because life cycle costing includes all the costs associated with a product or service over its entire life cycle, not just manufacturing cost, selling expenses, and distribution expense.
Option D is incorrect because life cycle costing considers all the costs associated with a product or service over its entire life cycle, not just cost savings opportunities during the manufacturing cycle.