Decision table testing question Use a decision table testing method to deal with the following credit card example. Assume you are given software that processes a credit card based on the following constraints: If you are a customer without any credit cards, you do not receive discounts today. If you are a new customer opening a credit card account, you will get 20% discount on all your purchases today. If you are an existing customer with a loyalty card, you can get a 15% discount. If you are purchasing cost is over $100 today, you receive another 15% discount. If you have a coupon, you get 5% off today. However, a coupon cant be used with any other discounts. Discount amounts are added, if applicable. a) List your decision table to present these conditions and rules, as well as actions. b) Based on the derived decision table, define a set of adequate test cases.