Help/answer check with econ questions? ?

hi everyone. I need help on these econ 201 questions. please help me. you don’t have to help on all of them, but please do ones you know for sure. thank you all very much in advance!!

1.Spillover benefits (external benefits) result in:

a.an over allocation of resources
b.an under allocation of resources
c.exactly the right allocation of resources
d.spillovers (externalities) have no impact on resource allocation
is it B?

2. If nominal (money) GDP increases:

a. real GDP must also increase
b. real GDP must decrease
c. real GDP must remain the same
d. real GDP could increase, decrease, or remain the same

Is it “D”?

3. Which of the following would not be considered to be investment
spending:

a. the purchase of a new house
b. the purchase of a new drill press by a manufacturing firm
c. the purchase of 100 shares of IBM stock
d. all of the above would be considered to be investment spending

Is it “c”?

4. If all of the incomes generated during the process of producing final goods
and services are summed (added together), the result is:

a. Gross Domestic Income
b. Gross Domestic Product
c. Personal Income
d. Net National Product
is it B?

1.Spillover benefits (external benefits) result in:
b.an under allocation of resources
only if external benefits impact production process if not the answer is D); sometimes the external benefits only means to increase the value of assets, this is , it does not impact productive process…

2. If nominal (money) GDP increases:
d. real GDP could increase, decrease, or remain the same

3. Which of the following would not be considered to be investment
spending:
d. all of the above would be considered to be investment spending
c. option tell us about an increase in inventory, this is investment…investment is not only to build a bridget, a road, to incorporate more machines to productive process…

4. If all of the incomes generated during the process of producing final goods
and services are summed (added together), the result is:
b. Gross Domestic Product