The researcher wants to learn whether there is a relationship between parental education and emergency room use among children who have asthma. which type of research study will this researcher use

Ms green is at checkout window of your busy orthopedic office . her charges for today are $125.00. her group insurance pays 75% of all usual and customary charges and she has a $50.00 co-pay. she has not met her deductible for the plan year. what does she owe for today’s visit?