PLEASE ANSWER ALL QUESTIONS AND SHOW CALCULATIONS.

2.2 Suppose your company expects to increase unit sales of widgets by 16% per year for the next 6 years. If you currently sell 2 million widgets in one year, how many widgets do you expect to sell in 6 years? 2.3 You are looking at an investment that will pay R1 500 in 4 years if you invest R800 today. What is the implied rate of interest? 2.4 You want to purchase a new car and you are willing to pay R400 000 . If you can invest at 11% per year and you currently have R300000, how long will it be before you have enough money to pay cash for the car