1.) Suppose we recorded the following data from an experiment: SUBJECT 1 GENDER M - 2 3 - F M - LIVER WT1 LIVER_WT2 SPLEEN 10.2 7.2 8.9 9.8 8.3 9.3 12.2 11.1 9.1 a.) Use a DATA STEP to input the data. b.) Create a new variable AVERAGE_WT, which is the average of LIVER_WT1 and LIVER_WT2. c.) Use a PROC PRINT step, following the DATA step, to list the contents of the data set you are asked to create in the problem. d.) Copy and paste your PROC PRINT table output as your answer.