1. The relevant costs in the aggregate production plan are

a. raw material cost, labor cost, production cost, transportation cost

b. marketing cost, production cost, development cost, cost of capital

c. production cost, cost of changing production level, inventory holding cost, back ordering cost

d. production cost, internal failure cost, external failure cost, warranty cost

2. Which input information to the MRP system specifies how many and when the firm plans to build each end item (i.e. the finished good)?

a. Inventory records file

b. Bills of material

c. Master production schedule

d. Capacity planning

e. none of the above