4. Janan invested \( \$ 2000 \) at a simple interest rate of \( 4 \% \) p.a. Calculate how long he needs to invest it to earn \( \$ 200 \) in interest.

QUESTION 15 According to Keynesian economists, during a boom in economic activity a) money supply should be increased. b) interest rates should be cut. c) government should increase its spending. d) tax rates should be raised.

1.1 Moses earns a gross salary of R10 500 per month. The basic monthly expenses used from the income are as follows: Housing expense \( 21 \% \); Food \( 36 \% \), Transport \( 10 \% \); Cellphone bills \( 1,9 \% \). The rest is for savings. the above information to answer the following questions. 1.1.1 Calculate the total gross salary per annum. 1.1.2 Determine the amount of the monthly food expense. simplest form. 1.1.4 Calculate Moses's percentage for savings from his salary.

An economy is at equilibrium output when a) \( Y=C+I+G+(X-M) \) b) \( Y=A D+C+G+(X-M) \) c) \( Y=A D+C+I+G+(X-M) \) d) \( Y=A D+C+1+G \)

QUESTION 18 Which of the following might be expected to generate employment? a) Economic growth that is capital intensive. b) Higher taxes for small businesses. c) A fall in the productivity of workers. d) The promotion of exports and investment.

QUESTION 19 If Japan exports more than it imports, a) Japan's net exports are negative. b) Japan is running a trade deficit. c) Japan's net capital outflow must be positive. d) Japan's net capital outflow must be negative.