a$.$ Access the JIT$\_$OP$\_$SCM$\_$Comprehensive$\_$Model.sav file.$$ Note that there JIT is measured with $13$ items and that OP is measured with $7$ items.$$ You must create two new summary variables JIT and OP by averaging the $13$ items for JIT and the $7$ items for OP as follows:$$ i$.$ Use the following command sequence to average the JIT items into a new variable JIT $[$transform$,$ compute variable, enter JIT in the Target Variable box, enter the following in the Numeric Expression box: MEAN$($JIT$1,$JIT$2,$JIT$3,$JIT$4,$JIT$5,$JIT$6,$JIT$7,$JIT$8,$JIT$9,$JIT$10,$JIT$11,$JIT$12,$JIT$13),$ OK$]$ ii$.$ Use the following command sequence to average the OP items into a new variable OP $-[$transform$,$ compute variable, enter OP in the Target Variable box, enter the following in the Numeric Expression box: MEAN$($OP$1,$OP$2,$OP$3,$OP$4,$OP$5,$OP$6,$OP$7),$ OK$]$ iii.$$ Note that there are two new columns in the data set JIT and OP$.$