Your programs should include appropriate comments. (30 points) Do programing project # 15 (Test Average and Grade) on page 297. Do not use global variables. Sample run: Enter score 1:90 Enter score 2: 87.5 Enter score 3: 72.5 Enter score 4: 100 Enter score 5: 88 Score Numeric Grade score 1: score 2- score 3: score 4: score 5: Average score: 90.0 87.5 72.5 100.0 88.0 87.6 Letter Grade A B C A B B 4