Answer: See explanation
Explanation:
Savings is the income that's not spent by an economic agent. Savings relates to banking.
Investment is when capital goods are bought in order to produce further goods.
Based on the definition above, then the following are classified below:
a. Edison purchases a certificate of deposit at his bank = Savings
b. Maria purchases stock in NanoSpeck, a biotech firm. = Savings
This is savings as it wasn't a capital good that was bought.
c. Hilary purchases new ovens for her cupcake-baking business. = Investment
This is an investment as she purchases a capital good what will be used for her business.
d. Kevin takes out a loan and uses it to build a new cabin in Montana = Investment
This is an investment as the money isn't saved but rather invested for productive use.