Please answer question 7.32 with explanation

Exercise 7.23 How many cycles are required to run the following program on the multicycle ARM processor? What is the CPI of this program? MOV R0 , #5 MOV R1, #0 ; result=5 L1 CMP RO, R1 BEQ DONE SUB RO, RO, #1 if result ? 0, loop : result= result-1 L1 DONE Exercise 7.24 Repeat Exercise 7.23 for the following program MOV R0 , #0 MOV R1, #0 MOV R2, #10 ; sum=0 : R2 = 10 LOOP ; R2RO? CMP R2, RO BEQ L2 ADD R1, R1, RO ADD RO, RO, #1 : sum = sum + 1 ; incrementi LOOP ?2