hey can you help me with these two questions asap

12. If you assume interest of 6% compounded semi-annually, and the value of $11 019.45 after 5 years and five months, the present value is

A) $8661.65

B) $7980.32

C) $8000.00

D) $1630.33

15. A secretary has $175 000 saved up and she can earn 4.84% compounded quarterly for the next 25 years. She wants to retire in 15 years from now with $370 000 in the bank. How much more does she have to invest in these 15 years?

A) $110 649.58

B) $0.00

C) $120 649.58

D) $130 649.58