"the section 179 election promotes which of the following tax concept(s) or doctrine(s)?
i. the claim-of-right doctrine.
ii. the administrative convenience concept.
iii. the tax benefit rule.
iv. the substance-over-form doctrine".

II. The administrative convenience concept.

Explanation:

An exception to administrative convenience is a concept related to bankruptcy.

It is a clause that allows a bankruptcy plan to have a different categorization for minor, unprotected claims to the extent that the separate classification helps to make the estate more efficient.

For example, by paying or eliminating small claims earlier than other claims.

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.

~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.