Amalgamated Skyhooks, Inc., has an order for 200 Model SKY3 Skyhooks for delivery on day 200. The Skyhook consists of three parts. Components B and C form subassembly A. Subassembly A and component D form the final assembly. Following are the work centers and times for each operation. Using a piece of graph paper, draw a backward schedule based on the following. When must component C be started to meet the delivery date?

a. Only one machine is assigned to each operation.

b. The factory works one 8-hour shift 5 days a week.

c. All parts move in one lot of 200.

Part Operation Standard Time (days)

D 10 5 20 7 B 10 5 20 7 C 10 10 20 5 Subassembly A 5 Final Assembly SKY3 5 LO.1