$18.$Indie U is the focus of the opening feature of Chapter $4.$ Connecting college students with new indie artists and putting it in the students' hands to stage unforgettable college experiences that showcase fresh music is Indie U$\text{'}$s $\_\_\_\_\_\_\_\_.$ A$)$revenue model B$)$cost model C$)$business plan D$)$financial plan E$)$unique value proposition