$15 I believe, apologies if incorrect!
Answer:
I have 5 inches in length as my measurements
Probably brand A because it weights the least amount so then you can get more shingles in one lift since it needs to be at the most 650 pounds per lift.
7 1/8 is greater because in decimal form, 7 1/8 is 7.125 and that's greater than 7.025