Khozas Manufacturing makes calculators for the local retail markets. They have received an order of 4500 calculators. The order is due for delivery on week 5. Each calculator consists of a cover, process chip and keypad. The cover is made up of a display unit and 2 battery housings. The cover is made by the firm and takes 2 weeks to produce. The process chip and keypads are ordered and the lead time is three weeks. Final assembly requires 1 weeks. There are scheduled receipts as follows:

2.2 Draw an Assembly Time Chart. (5)