Classify each of the following based on the macroeconomic definitions of saving and investment.

Saving Investment

a. Hilary buys new bulldozers for her construction firm.
b. Edison purchases a certificate of deposit at his bank.
c. Maria purchases stock in Pherk, a pharmaceutical company.
d. Kevin purchases a new condominium in Dallas.

Please see explanation column for detailed explanation

Explanation:Saving is an act of  depositing the remaining unspent income in a bank or using to purchase stocks or bonds.  the unspent income arises from what is remaining after one must have removed taxes and basic household consumption needs.

for example- Edison purchases a certificate of deposit at his bankB

Maria purchases stock in Pherk, a pharmaceutical company ---C

Investment on the other hand  is when an individual  spends using a new capital  eg, on  land,  machines, equipment, tools etc.  

for example--- Kevin purchases a new condominium in Dallas.--- D (it is pertinent to note that in this case spending on new accommodation is component of household expenditures but classified under  investment spending and not  consumption, relating to  national income accounting.

    Hilary buys new bulldozers for her construction firm.A