The the following code is executed. What is the result of the jr instruction? jal sub1 li $ve 10 syscall sub1: nop addiu $ra $ra 1 jr Sra nop O $pc is updated to the address associated with sub1 $ra is updated to memory location of the address after the jr instruction invalid program counter value error O $pc is updated to the address of the load immediate instruction Spc is updated to the value in $ra, $ra is updated to memory location of the address after the jr instruction