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What are the specifications for the grooves in the product? I- The Noble product has a V-shaped groove with a width of 3mm, a depth of 3mm, and a ...

What are the specifications for the grooves in the product?

I- The Noble product has a V-shaped groove with a width of 3mm, a depth of 3mm, and a spacing of 101.6mm.
II- The Colonial product has a W-shaped groove with a width of 7 to 9mm, a depth of 2.5mm, and a spacing of 5.08mm.
III- The Modern product has a straight groove with a width of 9mm, a depth of 1.5 to 2mm, and a spacing of 203.2mm.
IV- The Classic and Rustic products have a straight groove with a width of 10mm, a depth of 6mm, and a spacing of 101.6mm.
a) Only I and II are correct.
b) Only III and IV are correct.
c) I, II, III, and IV are correct.
d) None of the above statements are correct.