Which of the following methods of stock control aims at concentrating efforts on selected items of material?

Perpetual inventory system
Material turnover ratio
Level setting
ABC analysis
✅ The correct answer is D.
ABC analysis methods of stock control aims at concentrating efforts on selected items of material. ABC method of inventory control involves a system that controls inventory and is used for materials and throughout the distribution management.

Cost pattern, when production inputs are to be used in discrete functions, but quantities are fractional, will be categorized as

continuously variable cost function
fixed cost function
mixed cost function
semi variable cost function
✅ The correct answer is A.
Cost pattern, when production inputs are to be used in discrete functions, but quantities are fractional, will be categorized as continuously variable cost function. A variable cost is a corporate expense that changes in proportion to production output.