-Define a scheme procedure that takes a set (a list of distinct elements) and generates a list of all subsets of the set. For example, (subsets '(a b c )) returns '((a b c) (b c) (a c) (c) (a b) (b) (a) ()). Trace the function with the provided example

Please answer without using the rest or map function. Have not done it in class yet. And please don't copy other Chegg solutions, already seen those and not helpful.