You are a data analyst at ABC solutions. You received a problem for analyzing student grading system with the following data: SID={ 29,34,56,12,na, 31, 52, 48, 26,18), Sname={ Raman, Wipro, Karan, Dell, Rosy, John, Clark, Smith, Na, Bajaj), Gender={Male, Male, Male, Female, Female, Male, Male, Female, Male, Male), Course={CSE, ECE, CSE, MECH, ECE, CSE, BBA, LAW, CSE, ECE), Marks= (570,440,320,530,390,230,365, 440,375,290), Grade={A, B.C A,C.D.C.B.C.D) i, Identify the suitable R-data structure and write R-Code routine. [3M] i. Detect duplicated and unique values on course, Marks, and Grade [3M] i. Identify 'NA' value and print the corresponding column output [3M] iv. Replace 'Male' with 'M and CSE' with 'SCOPE' on the corresponding columns[3M]