Assume that UART_OutChar function is available. Can the result be displayed and returned to the calling program? Why? AREA I.teXtI, CODE, READONIY, ALIGN=2 THUMB sum3 PROC EXPORT sum3 IMPORT UART_OutChar IDR R5, =N1 IDR R6, =N2 IDR R7, =N3 IDR R1, [R5] IDR R2, [R6] IDR R3, [R7] ADD R4, R1, R2 ADD R4, R4, R3 MOV R1, R4 UART_OutChar BX LR DCD \#11 N1 DCD \#12 N2 N3 DCD \#13 ALIGN END