Portions of a text and a data segment of a MIPS program are shown below. Functions FUNO and FUN1 update Ss0 and return the value, where the return value in $50 is an integer between 1 and 6 (inclusive). la li $s1, Q1 $$0,1 rept: Iw $s2, ($s1) jalr $v1, $s2 sil $50, $s0, 2 add $s1, $s1, $s0 Iw $s1, ($s1) b rept FUNO: li $s0, 1 jr Sv1 FUN1: $s0, 2 jr $v1 .data QO: .word FUNO .word Q1 .word Q1 .word Q1 .word Q1 .word Q1 .word Q1 Q1: .word FUN1 .word QO .word Qo .word QO .word .word .word 888 a. When 'b rept' instruction is executed for the first time, what values will be in $50, $s1 and $s2? $s0: $sl: $s2: b. When 'b rept' instruction is executed for the second time, what values will be in Ss0, Ss1 and $s2? $s0: $sl: $s2: