make a flowchart for this home work please

Using a Flowgorithm flowchart or pseudocode, design a program that asks the user to enter three numeric test scores. The program shall display a letter grade for each of the three test scores and a letter grade for the average test score. The program will include the following functions: calcAverage - This function will accept three test scores passed to it as arguments and return the numerical average of the scores determineGrade - This function will accept a single numeric score as an argument and return the equivalent letter grade, as a String, based on the following mapping: All of the input and output instructions for this program will appear in the main