Consider the following tables in a relational database: Project 8 ProjectID Project Name Description ProjectType WorkOrder OrderID Order Date Employee Name WagePerHour ProjectID NumberOfHours Choose one or more options a in order to remove a project, all corresponding work orders must be removed first, or cascade delet option must be used b. In order to remove a work order, the corresponding project must be removed first, or cascade delet option must be used c. Project table includes a foreign key field d. Workorder table includes a foreign key field