AAFM Exam GLO_CWM_LVL_1 Topic 9 Question 21 Discussion

Rhona has a daughter Zena five years old. She wants to plan for Zena's education and has found out that she would be requiring 2,75,000 at her age 18 and another 4,50,000 on her age 25. She also wants to have Rs. 10,00,000 for Zena's Marriage which she expects at the age of 28. She wants to deposit the entire amount for these expenses today in an account that pays a ROI of 15% per annum compounded annually. What would this amount be?