There are several types of cost plus contracts, including: Cost plus fixed fee (CPFF)
Cost plus percentage of cost (CPPC)
Cost plus incentive fee (CPIF) Each has different structures for how the contractor is compensated. For example, CPFF includes a set fee regardless of final cost, while CPPC involves paying a percentage of total costs, which can encourage higher spending. CPIF includes bonuses for cost-saving. Read More : https://houseura.com/blog/cost-plus-contract/