Mateo bought machinery on December 4, 2014. On June 4, 2015, he traded this machinery for other machinery in a nontaxable exchange. On December 6, 2015, Mateo sold the machinery he got in the exchange. His holding period for this machinery began on which date?i. December 4, 2014ii. December 5, 2014iii. June 4, 2015iv. June 5, 2015