195.According to the contract, what is the payment schedule for the Contractor? (A)20% upfront, 50% upon completion of each milestone, remaining balance after final deliverables approval. (B)20% upfront, 25% upon completion of each milestone, remaining balance after final deliverables approval. (C)20% upfront, 25% upon signing the contract, remaining balance after final deliverables approval. (D)20% upfront, 25% upon completion of each milestone, remaining balance due within 7 days of signing the contract.