Please solve all ASAP

43) Income nor spent directly on domestic output is A) A leakage. B) An injection. C) A circular. D) Investment 44) Investment represents A) A leakage from the circular flow, similar to saving. B) A leakage from the circular flow, similar to taxes. C) An injection into the circular flow, similar to government spending. D) An injection into the circular flow, similar to imports. 45) Equilibrium GDP could be upset by a change in A) Investment only. B) Injections only. C) Leakages only. D) Any leakage or injection. 46) If actual investment exceeds desired investment, then A) A recession can develop. B) Leakages are greater than injections. C) An inflationary spiral can develop. D) Leakages are equal to injections. 47) Demand-pull inflation can develop when A) There is a shortage of investment and investors bid up interest rates. B) Inventories shrink and consumers bid up prices. C) There is a surplus of resources and so wages are bid up by employers. D) Undesired investment occurs. 48) A demand-pull inflation problem can best be solved by A) An increase in production of goods and services. B) A reduction in desired spending. C) An increase in aggregate demand. D) A reduction in aggregate supply. 49) Macro disturbances can be caused by changes in A) Investment only. B) Government spending only. C) Consumption, investment, government spending, or exports. D) Exports only because this is the only type of expenditure that is not controllable