hancock Company, reported the following non-current liabilities on Dec 31, 2020.

9% registered bond, P250,000 maturing annually beginning 2021 P 2,750,000

11% Convertible bonds, callable beginning in 2021, due 2022 1,250,000

12% guaranty security bonds due 2022 2,500,000

10% commodity backed bonds beginning in 2021 2,000,000

a. What total amount of serial bonds should be reported?

b. What is the total amount of debenture bonds?