Lighting$-$One is a national $\_\_\_\_\_\_\_\_\_\_\_$ that allows its members, retailers of lighting fixtures, to concentrate their buying power through wholesalers and more importantly plan collaborative promotional and pricing activities.

Question $15$ Select one:

a$.$

service$-$sponsored retail system

b$.$

retailer$-$sponsored cooperative

c$.$

administered cooperative system

d$.$

manufacturer$-$sponsored cooperative

e$.$

wholesaler$-$sponsored voluntary chain