Need Both part answers of Q1

Question 1: Read the Case study and answer the questions given at the end of case study. Company "A" releases its ERP system in 1990. The product received significant praise, and the sales concluded higher than their plans, however during its execution, the project faced many project management's issues. The project had issues ranging from ill-defined requirements, lack of planning, inadequate project management, and random role assignment. Most of the company's products at that time were among the best available products on the market. Their success might be because of the framework or methodology they used, following points describes about their project management development strategy. The work culture at that time was informal - software engineering staff handled project execution decisions; roles were interchangeable, and projects were carried out without formal requirements documentation. . They create test cases first to get the clear understanding of system requirements and the code implementation. They prefer to conduct the code review parallel with the development. Their preferred project's release strategy was to deliver the product in many small releases with short durations. The initial project was scheduled to be delivered in one year. Company "A" projects' were relied heavily on programming aka build and demonstrate model. It had always worked for them in the past Development team size was typically limited to 10 people. . The requirements for the project were not well defined. Company "A" wanted to add many innovative features in the ERP system, without defining the project scope. 1.1 Read the case study and identify the Process Model that fits Best for the given case study. Justify your answer with reasons. (5 marks) 1.2 Identify the difficulties that the Company "A" might face while following the process model described in