Which type of cost occurs when an individual pays for a piano lesson instead of going to a movie?
a) fixed cost
b) marginal cost
c) residual cost
d) opportunity cost

i dont know if its a cause i did it on usatestprep and it said it was d

nobles

explanation:

someone who has high morals and ideals or people who are royalty or who have good breeding. an example of noble is a person who is always honest and charitable. an example of noble is a king.

the first two-party system consisted of the federalist party, who supported the ratification of the constitution, and the democratic-republican party or the anti-administration party (anti-federalists), who opposed the powerful central government, among others, that the constitution established when it took effect in