Sabrina, a project manager for ITPro Consultancy, LLC, is overseeing the design and development of an indoor room temperature and humidity controlling device. While working on the procurement plan, she compare the cost of an off-the-shelf product to the cost of her programmers' design to develop the customer device. Sabrina is engaged in which of the following? Group of answer choices Performing a make-or-buy analysis Using expert judgement Coming up with course selection criteria Working on the procurement statement of work