Suppose you have inherited R150,000 from your grandparents. You want to invest this money wisely for your future. After careful consideration, you decide to invest it in a mutual fund that offers an annual interest rate of 8% compounded annually. You plan to leave this investment untouched for 10 years. However, after 5 years, you realize you need to buy a car, and you withdraw R50,000 from your investment. You are required to calculate the following: 3.1 The present value of the R150,000 inheritance. (2 Marks) 3.2 The future value of the investment after 10 years. (4 Marks) 3.3 The remaining future value after withdrawing R50,000. (10 Marks) 3.4 The time it takes for your investment to double in value. (4 Marks) 3.5 The interest rate needed to double your investment in 8 years. (25 Marks) Casio Glass Co, a small family run business, manufactures hand-blown glass products and has an established reputation for quality going back several decades. Owing to increased demand for its most popular products from customers in the Middle and Far East, Casio Glass Co has focused on manufacturing a single product, a vase available in an array of colours, which has the following cost