Marian Smith wants to make an investment at a bank at a simple interest rate of 7,25% p.a that will yield a future value or k26U 156,50 after six years. Determine the principal to be invested. If applicable round to two decimal places for example R246.567 is written as 245.57. Do not use the rand symbol in your answer and do not enter a minus () Determine the interest earned when R35 500 is invested for 7 years at an interest rate of 5,25% pa in the following way: - Simple interest If applicable round to two decimal places for example R245.567 is written as 245.57. Do not use the rand symbol in your answer and do not enter a minus ()