Apersonal-computer salesperson receives a base salary of $1,162 per month and a commission of 4.5% of all sales over $10,000 during the month. If the monthly sales are $20,000 or more, then the salesperson is given an additional $536. Let E(s) represent the person's earnings per month as a function of monthly sales. Consider the following values. 1. E(10000) 3313300 E(3)