As a gift to his niece who will be graduating 3 years from now, Madam Auring deposited 150k. The interest is 12% p.a. compounded semi-annually. What is the total value of the gift to be received by Madam Aurings niece when he graduate?

Kath and Rye decided to deposit jointly 50k every end of the year for 5 years, a year after their college graduation so they can start a business that they wanted. The interest rate is 9% p.a. How much is the total amount of their money to start a business?

Maria is now 19 years old and would want to have 1M on her 40th birthday. She intends to attain this goal by making 10 annual deposits to earn 9% annual interest and subsequently roll over what ever amount she would have in her 29th birthday until her 40th year. How much be her annual deposit for the next 10 years until she can have 1M in her 40th birthday?