how to answer this questions? $1.$ List three examples of coproduction. How do coproduction and self$-$sufficiency differ?$2.$ What are some guidelines for creating an effective customer service system?$3.$ How can updating a system or creating a new system enhance the provision of excellent customer service?$4.$ What are some types of businesses that are the most conducive to coproduction?$5.$ Write a mission and purpose statement for your department or class.