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Mr Cele is a car salesperson and earns commission on what he sells. He sold a car for R133 500 and received a commission of R4 230,05.

3.2.1 How will you explain what commission is to learners?

3.2.2 Calculate the rate percent at which Mr Cele receives his commission.  


How long will it take an investment of R8 000 to mature to R15 000 at a simple interest rate of 11% per annum?
An amount of R20 000 is invested in shares on the stock market and after eight years, the shares are sold for R52 000. Calculate the compound interest rate that will provide the same return.
Sam wants to invest R3 450 for five years.
Wise Bank offers a savings account that pays simple interest at a rate of 12,5% per annum and Grand Bank offers a savings account paying compound interest at a rate of 10,4% per annum. 3.3.1 Which bank account will give Sam the greatest accumulated balance at the end of the five-year period? Show all your calculations.

You buy a computer directly from the manufacturer for R7332,00 and agree to repay it in equal instalments over three years at the end of each month form now . The interest rate is 10.7% per year, compounded monthly. How much interest will you pay in total?


A home was bought with a 20% down payment of R177 175,00. The balance was financed for 20 years at 9.4% interest per annum, compounded semi -annaully . Find the size of the half yearly payments for the loan.


Mrs smith invests R25000,00 in an account earning 7,5% interest per year,compounded weekly. After a number of years, she receives double the amount she invested. Determine the period under consideration. Round your answer to the nearest year
Mike wants to buy a scooter that costs R10 000,00, but he cannot afford to buy it cash. He opts for the hire purchase agreement, which requires a 13% deposit and 24 equal monthly instalments at an interest rate of 15% per annum, compounded monthly. Answer the following questions: a) How much will his deposit be? b) Calculate the total amount that he still must pay after the deposit. c) Calculate the monthly instalments.

The Keraniganj Investments Ltd. is considering investing in of the three mutually exclusive projects. It

seeks your suggestion as to which of the three projects should be chosen. The company expects to earn a

10% rate of return on all of its investments. The initial outlay and subsequent inflows associated with the

projects are as follows:


Year Project A Project B Project C

0 (1,000,000) (1,000,000) (1,000,000)

1 300,000 100,000 500,000

2 300,000 200,000 400,000

3 300,000 300,000 300,000

4 300,000 400,000 200,000

5 300,000 500,000 100,000


Required:

Suggest the company as to which of the three projects should be chosen, based on the following methods:

1. Payback period

2. Discounted payback period

3. Net present value

4. Profitability index

5. Internal rate of return

6. Modified internal rate of return


Mrs mhlauli purchases a new dining table from Bradley , placing an immediate deposit of R2000 and agreeeing to make monthly repayment of R240 for next 5 years.if the annual interest rate is 6% compounded monthly. What is equivalent cash price of the dining room