per lamp is $$12.$

a$)$ What is the EOQ $?$ lamps per order $($round your response to the nearest whole number$).$

b$)$ What are the total annual costs of holding and ordering $($managing$)$ this inventory? $ $($round your response to the nearest whole number$).$

c$)$ How many orders should Discount$-$Mart place with Specialty Lighting per year? $$ orders per year $($round your response to the nearest whole number$).$