Product A is assembled from two units of S1 and three units of S2. S1 is made of one unit of C1, four units of C2, and one unit of C3. S2 is made of three units of C2 and two units of C3.
a. Draw a product structure diagram for product A.
b. How many C3's are needed to fill an order for 100 A's?
c. Assume no inventory on hand, products take one day to assemble, subassemblies take two days and components take three days. When should an order be released for C3 if the 100 A's are needed by day 7?