You plan to manufacture a PCB in China using a contractor manufacturer with a proven history of delivering products on time. Because of the cheap labor, you can manufacture the chips using through-hole technology much cheaper than using surface-mount technology and can also cut the delivery time from 90 to 60 calendar days. The software will be based on your current operating system. However, some major upgrades will be needed. Your primary software contractor in India will accomplish the changes. By focusing on the major upgrades, you can also reduce the delivery time for the software upgrades to 60 calendar days. Your own in-house staff will be responsible for integration and quality control. Because the software and the PBC are contract items, you must carefully monitor the integration phase.

After consulting with your team, you develop the following schedule based on a January 1 start date. Assume that all working days are calendar days: