Chris can be paid in one of two ways. Plan A is a salary of $360 per month, plus a commission of 9% of gross sales. Plan B is a salary of $708 per month, plus a commission of 3% of gross sales. For what amount of gross sales should Chris select plan A? Lets represent the amount of gross sales in dollars. Select the correct choice below and fill in the answer box to complete your choice. (Simplify your answer. Type an integer or a decimal.)A. The solution set is (8182B. The solution set is (sissC. The solution set is (s|s