Cost Plus Incentive Fee Calculation. In this cost plus incentive fee contract, the cost is estimated at $210,000 and the fee at $25,000. The project is complete, and the buyer has agreed that the costs were, in fact, $200,000. Because the seller's costs came in lower than the estimated costs, the seller shares in the savings: 80% to the buyer and 20% to the seller. Calculate the final fee and final price. Fee $25,000 Price: $225,000 O Fee $27,000 Price: $227,000 O Fee $25,000 Price: $235,000 O Fee $33,000 Price: $235,000