Which of the following are the tools and techniques of the Plan Procurements process? Each correct answer represents a complete solution. Choose all that apply.

Contract types (fixed-price, cost-reimbursable, time-and-material) are a core tool of Plan Procurements used to define terms, risk allocation, and obligations in procurement agreements.

Expert judgment is applied in Plan Procurements to evaluate market conditions, contract types, and procurement risks using input from subject matter experts.

The probability and impact matrix is a tool of the Perform Qualitative Risk Analysis process within Project Risk Management, not of Plan Procurements.

Make-or-buy analysis is a fundamental Plan Procurements technique that determines whether project needs should be fulfilled by internal resources or purchased from an external vendor.