Consider the following set of functional dependencies on the relation schema R = (A, B, C, D, E, F, G): A BCDF BD-> CF BD EA 4. a) Find all candidate keys for R Remove extraneous attributes and compute the canonical cover Provide detailed information of the process. b) Decompose the relation into a collection of schemas in 4NF using the canonical cover. Provide detailed information of the decomposition process c)