Problem: The textbook describes three types of outsourcing models. Based upon material and evidence presented in the textbook and lectures, which of the following are true? (Please check all that are true.) a. When a company is in the Business Modularity stage of architecture maturity, transaction relationships can take on strategic importance. b. Variable capacity and cost reduction are common objectives cited for outsourcing. c. Careful, detailed contracts and SLAs are critical for a successful strategic partnership if the vendor is taking on a substantial operational part of the business. d. A strategic partnership can benefit a client with inefficient management practices, if the strategic partner has efficient, effective management practices, and can help their clients learn those practices. e. With a co-sourcing alliance, a team formed to meet a business objective may consist of employees of the client and employees of the vendor.