An investment of 30,000 has been made on your behalf for the next five years. How much will the investment be worth if:

The rate of simple interest is 3.8% per annum.

The rate of compound interest is 3.8% per annum.

The rate of interest is 3.6% per annum compounded on a monthly basis.

The compound rate of interest is paid at 2 % per annum for the first 10,000, 3% per annum for the next 7,500 which is compounded monthly and 5% per annum for the remainder of the investment which is compounded weekly.