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Jse SWING components for question 4 a. Code the following using SWAING components in JAVA: (30) a. User must Input the following information: i. Customer number, ii. Name, iii. Balance, and iv. a code field. b. The followin must be displayed on screen: i. Customer number, ii. Name, iii. Balance, iv. Discount percentage or service charge, v. Balance due and vi. Code category (i.e. each customer is identified as being "Current" "30-60 days", or "Over 60 days".) c. Balance due is calculated using one of the following three formulae: i. Balance due = balance - (balance * discount percentage) ii. Balance due = balance + (balance service charge) iii. Balance due = balance d. The code field in the input record indicates whether the customer's balance is current, 30 days old, or 60 days old. i. Code categories: 1. Code 1: current account 3% cash discount. 2. Code 2: 3060 days overdue no discount. 3. Code 3: Over 60 days overdue 1.5% service charge. e. Print an error message if a code other than 1,2, or 3 is input. Processing continues until a 0 is entered for customer number. f. Please use the following test data: g. Identify if you had to deviate from the test plan and why. h. Provide records for all tests executed (Screenshot when test data is entered per customer with output. (10). i. Discuss in short what improvements to the application and test process would you like to implement