Distinguish between common-law and statutory procedures relating to presumption of death. In your answer, point out the differences between the two procedures with reference to the following questions: 

(a) Who takes the initiative to approach the court for a presumption of death in the case of the common-law and statutory procedures respectively?

(b) What is the burden of proof in the common-law and statutory procedures respectively?

(c) What effect does the presumption of death pronounced in terms of the common-law and statutory procedures respectively have on the missing person's marriage? Refer to authority for your answer.