Card Tables Are Made by Joining 4 Legs and a Top

Card tables are made by joining 4 legs and a top using 4 bolts. The legs are each made from a steel rod. The top has a frame made from 4 steel rods. A cover and four special clamps that brace the top and hold the legs are joined to the frame using a total of 8 bolts. The parts-listing matrix for the card table assembly is given by ​ ​
If an order is received for 10 card tables, 4 legs, 1 top, 1 cover, 7 clamps, and 12 bolts, how many of each primary assembly item are required to fill the order?
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A) 88 rods, 12 covers, 51 clamps, 140 bolts
B) 88 rods, 88 covers, 140 clamps, 140 bolts
C) 51 rods, 140 covers, 51 clamps, 140 bolts
D) 140 rods, 12 covers, 88 clamps, 88 bolts