4. For the ATmega32 program below, answer the following questions. Number of Machine Cveles for Each Instruction .ORG 0 LDI R16,HIGH(RAMEND) OUT SPH,R16 LDI R16, LOW(RAMEND) OUT SPL,R16 SBI DDRD, 2 LOOP: SBI PORTD, 2 NOP NOP CALL DELAY CBI PORTD, 2 CALL DELAY RJMP LOOP .ORG 0100 DELAY: LDI R16, 60 LOOP2: LDI R17, 250 LOOP1: DEC R17 NOP BRNE LOOP1 DEC R16 NOP NOP BRNE LOOP2 RET a. (9 Points) Determine the time delay (in microseconds) for the instructions in the DELAY subroutine (given in gray). Assume that the crystal frequency is 16MHz