Rick is the project manager for TTM project. He is in the process of procuring services from vendors. He makes a contract with a vendor in which he precisely specify the services to be procured, and…

Rick is the project manager for TTM project. He is in the process of procuring services from vendors. He makes a contract with a vendor in which he precisely specify the services to be procured, and any changes to the procurement specification will increase the costs to the buyer. Which type of contract is this?