Cosmetics Purchases (Association Rule Mining): Consider the results of the association rules analysis shown in the result table. For each rule, a) Explain the "Conf. \%" output and how it is calculated. b) Explain the "Support(X)", "Support(Y)" and "Support(X,Y)" output and how it is calculated. c) Explain the "Lift ratio" of the rules in the table and how it is calculated. d) Write down the contingency table