c++ code asap please

Exercise #2: Paycheck A chemicals company pays its salespeople on a commission basis. The salespeople receive $200 per week plus 9 percent of their gross sales for that week. For example, a salesperson who sells $5000 worth of chemicals in a week receives $200 plus 9 percent of $5000, or a total of $650. Write a program that will inputs the salesperson's gross sales for the last week, calculates, and displays that salesperson's payment. Sample inputs / outputs: Enter the gross sales: 7050 The payment is 834.5