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Question
A toy manufacturer makes its own wind-up motors, which are then put into its toys. While the toy manufacturing process is continuous, the motors are intermittent flow. Data on the manufacture of the motors appears below.
Annual demand (D) = 50,000 units Daily subassembly production rate = 1,000
Setup cost (S) = $85 per batch Daily subassembly usage rate = 200
Carrying cost = $.20 per unit per year
(a) To minimize cost, how large should each batch of subassemblies be?
(b) Approximately how many days are required to produce a batch?
(c) How long is a complete cycle?
(d) What is the average inventory for this problem?
(e) What is the total annual inventory cost (holding plus setup) of the optimal behavior in this problem?
Answer
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Weight Day
Package 1
Package 2
Package 3
Package 4 Monday
23
22
23
24 Tuesday
23
21
19
21 Wednesday
20
19
20
21 Thursday
18
19
20
19 Friday
18
20
22
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Answer:
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