Our marginal propensity to consume is 0.8 and taxes are $40. If we earn $40 of income, we will consume $20. How much will we consume if our income is $2,000? (Assume we have a linear consumption function, similar to what we saw in lecture.) $1,568 $1,960 $1,600 $1,588 D Question 10 1 pts There is an opportunity cost of buying output today. If you buy output today you cannot save that money and spend more in the future. This trade-off is best represented by which macroeconomic concept that we've discussed? O Supply and Demand O Inflation Unemployment O Aggregate Demand and Aggregate Supply