Create a file that contains salesman number, salesman name, quarterly sales. Compute the total sales of every record. Compute also the commission of each salesman based on the following: Total Sales Commission 25000.00 50% of total sales or 30000.00 whichever is higher Write on the file the salesman number, name, total sales, and commission. Input salesman number and search from the file created in #1. Determine if the input number is existing in the file or not. If not, input another number, otherwise, the user will input/edit the name and input other values for the quarterly sales. Compute the total sales and commission and write it again in the file