Your current income is equal to 40,000 Your next period (future) income is known to be equal to 44,000.
If your current consumption expenditure is equal to 32,000, what is your (current) level of savings?
If the real rate of interest is equal to 15%, how much will you spend on consumption next period (assuming that your current consumption is 32,000)?

Self-interest achieve society’s economic goals because producers know which goods consumers want the most. as consumers and producers exercise their freedom to act in their own self-interest, markets will produce the desired goods at the lowest possible cost. consumers and producers both operate based on society’s economic goals. consumers know which goods can be produced at the lowest cost. there is a wide variety of desired goods and services in a market system because producers determine what to produce. consumers change their minds frequently. there is always a need to produce something new and improved. individual wants are diverse. what is produced is ultimately determined by consumers, because if the goods offered are not what consumers want, consumers will not buy them. producers, because they are driven by profits. producers, because they determine what to produce. consumers, because they participate in marketing surveys.