The primary difference between harassment that results in tangible employment action and harassment that creates a hostile working environment is: Select one: a. the level of proof required in the prima facie case for harassment that results in tangible employment action b. the availability of a rebuttal to the plaintiff if the employer proves a reason for the hostile environment c. the criteria for proving harassment that results in a tangible employment action is less stringent d. the criteria for finding employers liable differs depending on the outcome of the harassment e. none of the above