Part3: Develop an assembly language version for the ARM ISA for the following C code emulating a simple calculator. t a[3]=(7,6,5); t r-0, s-2; (10 P case 0: case 1: case 2: r = a[0] r = a[0] r = a[0] r-a[0] + a[1]; break; -a [11 break; * a[1]; break; + a [1]*a [2]; break; case 3: default: r=0