Student creates a Raptor program and uses the File Input and Output method to find the average of 5 test scores stored in a text file "Grades. txt". Student’s program allows the input to be terminated when the user enters a sentinel character. Student declares and uses valid variables and arrays with the appropriate data types. Student evaluates the input, processes the data and determines the appropriate solution. Student creates formulas that can produce correct results. Student shows mastery of algorithm design. Student incorporates logical conditions that covers all boundaries specified by the problem.