The code should be in assembly language and please include commenting in the code

Yt i dion mst be ald by the main procedure for each programming question. The subroutine must perform the Page 1 of 2 computation referred to in the question and must be passed arguments/parameters and return a value (if applicable) in compliance with the ARM Architecture Procedure Call Standard (AAPCS). 1. Write a subroutine that takes 8 integer arguments and computes the product of these integers. Note extra arguments should be passed to the subroutine via the stack Implement a subroutine of the Caesar shift encryption. It is a simple substitution encryption algorithm, in which each letter is replaced by a letter with a fixed number of offset down in the alphabet. For example, with a shift offset of 3, A would become D, and B would be replaced by E, and so orn. 2