hello, please help me with these two questions, please not that 2.3 is split up over two photos as it spread over two pages. thanks so much!

2.5 Catherine intends to retire early and wants to understand how much she should save of her monthly salary of R30 000 to develop an asset that will pay her a pension every month once she has retired. Assuming that she would need to develop an asset of R5 000 000, and that she can obtain an interest rate and return of 10% per annum, compounded monthly, for the next 20 years, what should she save monthly to achieve this? (4) 2.3 Mark recently inherited a trust fund that offers two alternatives: he can take a R1,5 million payout now or receive an annual payment of R155 000 at the end of each year for 12 years. If he invests the money, he can receive 7% interest, compounded annually. Evaluate every option and advise him on which is the better option to take