Student Total Points 550 Grade Mary Sue 479 Paulo Rena Stanford 200 420 366 4. Create a look-up table bewlow Grade look up Table in row 67 as shown. Write a formula first for cell C61 with proper function(s) to assign letter grades based upon points from Grade look up Table. The Grade look up Table is built based upon following Total points for the course is 600. To earn an "A", the student must have 540 or more points. To earn a "B", the student must have 480 - 539 points To earn a "C", the student must have 420-479 points To earn a "D", the student must have 360 - 419 points Less than 360 points, earns an "F". Make sure to complete all cells by AutoFL Grade look up Table