Cart Remove item Thumbnail image Product Price Quantity Subtotal × Solved CECS 220 Assignment 4 1. (12 points) Solve the following problem. (a) Define an abstract class, called UtilityCustomer $30.00 Solved CECS 220 Assignment 4 1. (12 points) Solve the following problem. (a) Define an abstract class, called UtilityCustomer quantity $30.00 Update basket Basket totals Subtotal $30.00 Total $30.00 Proceed to checkout Pay Via Credit or Debit CardShare This