If a DBMS enforces a DELETE SET-TO-DEFAULT option on the referential integrity constraint between CLIENT and AGENT in the HAPPY INSURANCE database, what will be the outcome after a user tries to delete the last record (A4, James, 3, 90, 2010, A3) from AGENT?A) CLIENT will have 7 records, AGENT will have 4 recordsB) CLIENT will have 6 records, AGENT will have 3 recordsC) CLIENT will have 7 records, AGENT will have 3 recordsD) CLIENT will have 6 records, AGENT will have 4 records