please help me to do both questions. citation is must. follow the questions requirements

Payment System Complete Parts A and B of this worksheet. Part A: Complete the table by describing the term. Be clear and concise, use complete sentences, and define them in your own words. Cite any outside sources. For additional information on how to properly cite your sources, utilize the Reference and Citation Generator resource. Term Definition Pre-authorization Pre-certification Pre-determination Part B Write a 250-to 350-word response to each of the following questions. Be clear and concise, use complete sentences, and explain your answers using specific examples. When are patient referrals needed? How would you determine if a referral is required? Cite any outside sources. For additional information on how to properly cite your sources, utilize the Reference and Citation Generator resource. Payment System Complete Parts A and B of this worksheet. Part A: Complete the table by describing the term. Be clear and concise, use complete sentences, and define them in your own words. Cite any outside sources. For additional information on how to properly cite your sources, utilize the Reference and Citation Generator resource. Term Definition Pre-authorization Pre-certification Pre-determination Part B Write a 250-to 350-word response to each of the following questions. Be clear and concise, use complete sentences, and explain your answers using specific examples. When are patient referrals needed? How would you determine if a referral is required? Cite any outside sources. For additional information on how to properly cite your sources, utilize the Reference and Citation Generator resource