Boitumelo invests an amount of R28 000 for a period of 7 years. For the first two years the interest was \( 12 \% \) p.a. compounded semi-annually. The interest was then changed to \( 10 \% \) p.a. compounded quarterly. Determine the value of the investment after the 7 -year period.

Convert an interest rate of \( 10 \% \) p.a. compounded quarterly to an annual effectiv interest rate.

A lawnmower was traded in for \( R 236 \) after 10 years. The depreciation was calculated at \( 9,2 \% \) p.a. on a straight-line basis. Determine the cost of the lawnmower 10 years ago.

a. The future value of \( \$ 590 \) six years from now at 5 percent. b. The future value of \( \$ 1,000 \) saved each year for 10 years at 7 percent. c. The amount a person would have to deposit today (present value) at

Si un valor inicial es \( 100 \) y el factor de crecimiento es \( 1.05 \), ¿cuál será el valor después de 3 períodos?

If Menciksh pays an inderest of 21 for 9 jears on a sum of \( \$ 2500 \), rate of incevest per annum.