Kindly assist me with my assignment question

QUESTION FOUR 0.1 You want to begin saving for your daughter's college education and you estimate that she will need R150 000 in 17 years. If you feel condent that you can eam 8% per year, how much do you need to invest today? (6 marks) 42 Suppose your company expects to increase unit sales of widgets by 15% per year for the next 5 years. If you currently sell 3 million widgets in one year, how many widgets do you expect to sell in 5 years? (6 madcs) 4.3 You are looking at an investment that will pay R1 200 in 5 years if you investh 000 today. What is the implied rate of interest? (8 marks) 4.4- You want to purchase a new car and you are willing to pay R200 000. If you can invest at 10% per year and you curreny have R150 000, how long will it be before you have enough money to pay cash for the car? 5 marks