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Week      1        2         3        4           5          6

Gemini    600    400     700     500     400     600

Saturn      300    400     400    600      300     300

The part in question, 3079, is used in two different subassemblies: no. 435, which is used in the Gemini TV stand, and no. 257, which is used in the Saturn microwave stand. One of part 3079 is used in each subassembly, and one of each subassembly is used in each of the final products.

Part 3079 may be produced in any quantity since the lathe that makes it is not used for anything else. However, both of the subassemblies are produced using the same equip- ment. To minimize change over time, Space Age has decided that these subassemblies should be made in minimum quantities of 1,000 at a time, although there is no problem with capacity on the equipment that makes them. In fact, an order for 1,000 of subassem- bly 435 is due to be received in week 1, as is an order for 1,000 of subassembly 257. Lead time for both these subassemblies is one week, and no inventory is expected to be on hand for either part at the beginning of week 1. There is not any on-hand inventory of part 3079, and there are no orders in process.

Ed Szewczak earns \$22 per hour and gets a 50% premium for any overtime work. When- ever part 3079 is made, there is no set-up time, but processing takes 0.03 hour per unit. It costs \$0.25 per week to hold any of these parts over from one week to the next. The cost of holding each subassembly in inventory is \$0.75 per unit per week

Respond to the following and include any Materials Requirement Planning (MRP) calculations:

1. Develop an MRP for Space Age Furniture Company using the information in the case including the production of sub-assemblies in lot sizes of 1,000.