JAVA

Tenaga Merah SDN. BHD. is a company books that sell books online in Malaysia. Before year 2023, Tenaga Merah using traditional method by using paper to keep the sale record. Now, the company plans to move to digitalization process where they want to change from using paper to use computer system. The company has appointed you to develop a new computer system for them. The sales record on paper is given to you as shown in Figure 1. Figure 1. Sales record Your system must have the ability to examine sales data depending on discounts and postage costs. If a consumer spends more than RM30, RM50, or RM100, the company will offer a 3\% discount, a 5% discount, and a 15% discount respectively. All around Malaysia, the books will be delivered via courier. The company will charge RM4.50 each book for SEMENANJUNG and RM8.50 per book for SABAH/SARAWAK