Can I get the full workings?..Thank you!

2. Razali has the following choices of investing x Malaysian Ringgit (in thousands) for 8 years duration: a. b. C. Deposit the money in an account paying 6% semiannually. Deposit the same amount of money in 2 accounts. One account pays 5% monthly and the other one account pays 7% compounded every 2 months. Deposit half of the money in an account that pays interest rate 9% annually and invest another half of the money in a business such that after 8 years he will get 20% extra. Investing in a business such that the expected return on investment is 1.6 times higher In capturing new depositors, the finance institution offers a competitive interest rate of 5.9% semiannually. To be eligible for RM50, the depositors will be required to open an account with a minimum amount of initial deposit RM1000. d. e. Show the appropriate calculations by assuming the appropriate value of x and help Razali to make the best decision to invest his money. [30 marks]