Stephanle was injured In a car accident and was rushed to the emergency room. She recelved stitches for a faclal wound and treatment for a broken finger. Under Stephanle's PPO plan, emergency room care at a network hospltal is 75 percent covered after the member has met an annual deductible of $310. Assume that Stephanle went to a hospital within her PPO network. Her total emergency room bill was $970. a. What amount did Stephanle have to pay? b. What amount did the PPO cover