Refer to the table above. The trade balance of the country during that particular year was ________

Some individuals or families can become completely saturated with a service such as television. This suggests that

a. wants are limited b. desires for a single commodity can be satisfied but then the focus will switch to other goods and services c. a highly productive economy may someday be able to satisfy all human desires d. resources are not truly fixed in supply as we generally assume e. scarcity does not exist

If $30 billion in new investment is added to the economy and MPC is 0.9, national income would increase by

a. $30 billion b. $90 billion c. $100 billion d. $210 billion e. $300 billion