The Advanced Tech Company has a project to design an integrated information data base for a major bank. Data for the project are given in the following table. Indirect project costs amount to $150 per day. The company will incur a $100 per day penalty for each day the project lasts beyond day 18 . a. What is the project's duration if only normal times are used? The project duration is day(s). (Enter your response as an integer.) b. What is the minimum-cost schedule? With the minimum-cost schedule, the project duration is day(s). (Enter your response as an integer.) c. What is the critical path for the minimum-cost schedule? The critical path for the minimum-cost schedule is