Use the following partially completed MRP record to answer the question. Item: XYZ Lot Size: 60 units; Lead Time: 1 week

Date 1 2 3 4 5 6 7 8
Gross Requirements 20 30 40 20 50
Scheduled Receipts
Projected on Hand (50)
Planned Receipts
Planned Order Release

What are the quantities of planned order releases for item ABC for the first five weeks (weeks 1, 2, 3, 4, and 5)?

a. 20, 30, 0, 40, 20, 0
b. 35, 0, 60, 0, 60, 0
c. 0, 0, 0, 60, 0, 60
d. 0, 20, 0, 40, 20, 0