To determine the new rate, the bank adds a margin to an established index. In most cases, the margin stays the same throughout the life of the loan, but the index rate changes. To illustrate, imagine a mortgage with an adjustable rate has a margin of 4% and is indexed to the Treasury Index.
In the arc de triomphe there are exactly 284 steps to climb to the top, or you could use the elevator. + 21 others found this useful.
1 Counting from the ground, there are 347 steps to the first level, 674 steps to the second level, and 1,710 steps to the small platform on the top of the tower.  On a clear day, it is possible to see 42 miles in every direction from the top of the Eiffel Tower.