In C

Q3. (20 pts) Write a program to accept a score and print out the corresponding letter grade based on the following mapping table. Grade A+ A A- B+ Overall Score 89 and above 86 to 88 83 to 85 80 to 82 77 to 79 74 to 76 70 to 73 66 to 69 63 to 65 60 to 62 53 to 59 50 to 52 49 or below B- C+ C- D+ D D- F