Develop a solution with PPB Lot-Sizing technique and calculate the total relevant costs for the gross requirements in the following table*.

Period	1	2	3	4	5	6	7	8	9	10	11	12
Gross requirements	20		40		40	70	20		20	70		50

*Holding

cost=$2.50/unit/week;

setup

cost=$150;

lead

time=1

week; beginning

inventory=40.

Develop a PPB solution (enter your responses as whole numbers).

Period

1

2

3

4

5

6

7

8

9

10

11

12

Gross requirements

20

40

40

70

20

20

70

50

On-hand at beginning of period

40

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On-hand at end of period

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Order receipt

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Order release

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The total cost is

$enter your response here

(enter your response as a whole number).