Question $1[50$ Points$]$: We Care Associates order supplies from various distributors.

Order quantities of $15$ items have been determined based on the past $5$ years of usage.

Other relevant information from their inventory records is also provided in the table

below. The practice is functional for $52$ weeks a year.

a$)$ Determine basic EOQ on each item.

b$)$ Provide ABC classification of these item.

c$)$ Calculate the yearly cost of inventory management.

d$)$ Calculate the investment cost per cycle for each item.