8. The billing department of a national cable service company is conducting a study of how customers pay their monthly cable bills. The cable company accepts payment in one of four ways: in person at a local office, by mail, by credit card, or by electronic funds transfer from a bank account. The cable company randomly sampled 400 customers to determine if there is a relationship between the customer's age and the payment method used. The following sample results were obtained: Age of Customer Payment Method 20-30 31-40 41-50 Over 50 In Person 12 11 13 By Mail 29 67 72 50 By Credit Card 26 19 By Funds Transfer 35 17 6 Based on the sample data, can the cable company conclude that there is a relationship between the age of the customer and the payment method used? Conduct the appropriate test at the alpha= 0.01 level of significance