Retail managers can use to determine which inventory items require the most attention.

a. eoq modeling

b. cps scheduling

c. breakeven analysis

d. abc analysis

(D) ABC analysis

Explanation:

 ABC analysis is one of the type of inventory method that are basically divided into the three main categories that is A,B and the C categorization.

 The main advantage of this type of analysis is that it is categorized on the quantity and the values basis and this analysis is basically keeps the cost in the business under the control. It is also known as the inventory management and the ABC analysis contributed in the overall profit in an organization.

According to the question, the retail manager basically using the ABC analysis for determining the inventory items in the system.

Therefore, Option (D) is correct.

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