or wages less than the maximum taxable wage base Social Security contributions including those for Medicare by employees are 7 65 of the employee s wages T a Find an equation that expresses the relationship between the wages earned x and the Social Security taxes paid y by an employee who earns less than the maximum taxable wage base y b For each additional dollar that an employee earns by how much is his or her Social Security contribution increased Assume that the employee s wages remain less than the maximum taxable wage bas c What Social Security contributions will an employee who earns 55 000 which is less than the maximum taxable wage base be required to make