The given tables are not normalised. Your task is to provide a table structure $($in RMap form$)$ that transforms the tables into $3$rd Normal Form. You are not required to include a populated table in your answer. A$)$ Sales Transactions

B$)$ Course enrollment Please present your answers in Rmapping format by highlighting the primary keys and foreign keys,etc. You are allowed to create a new column for the primary key in the new tables by following the criteria for the $3$rd normal form.