Please show work in each step, especially when eliminating itemsets in each table (explain how/why).

4. Study the table below then answer the following questions: (Minimum Support =40% Minimum Confidence =40%) (a) Find all the frequent item sets using Apriori algorithm. Use tables to represent Ck and Lk. (b) Generate all possible decision rules from each of the frequent itemsets you obtained from the previous questions along with their confidence