3. What are the risks to buyers associated with each of the different types of contracts (fixed-price, incentive, and cost-based contracts)? 4. What are the risks to suppliers associated with each of the different types of contracts (fixed-price, incentive, and cost-based contracts)? 8. Under what conditions are short-term contracts preferable to long-term contracts? 10. What are the implications for contract writing as a result of electronic signatures now being enforceable by law