A facility prepares and serves its food to customers in a conventional format onsite. This is most likely which type of facility? Group of answer choices School lunch with multiple school sites Restaurant Segundo Culinary Support Center HospitalUnited Airlines' planes receive all of their food pre-portioned and pre-packaged from a foodservice commissary owned by the airline. This is an example of a: Group of answer choices Simplified service system Ready-to-serve system Centralized delivery system De-centralized delivery system